Question Bank
PCMC Computer Operator Exam - English
Duration: 120 · Questions: 150 · Max Marks: 150 · Language: 3
GK
1
Which if the following is TRUE about the meaning of a bank?
2
Which of the following is NOT true about the functioning of a bank ?
3
Which of the following is NOT a banking service?
4
The definition of Banking is given in which of the following ACTs?
5
Banks in India are regulated by :
6
‘Mukhyamantri Mahtari Nyay Rath’ was launched by the CM of which of the following state?
7
Mirabai Chanu has won the first Gold medal for India at CWG 2022. Mirabai Chanu participated in which of the following category ?
8
'The Indian Vegetable Oil Producers' Association (IVPA) and Palm Oil Council of which country have signed an MOU to promote use of palm oil ?
9
Who gave away Agriculture Infrastructure Fund (AIF) Awards in New Delhi in July 2022 ?
10
Name the company that recently partnered with Talgo India Private Limited to set up a joint venture for manufacturing high-speed trains in India ?
11
The National Skill Development Mission, also known as the Skill India Mission, under the Ministry of Skill Development and Entrepreneurship, observed its …… anniversary on 15th July 2022 .
12
Which country’s Reserve Bank recently launched gold coins namely ‘Mosi-oa-Tunya’ as Legal Tender to tackle inflation ?
13
The RBI’s Digital Payments Index (RBI-DPI) was recently rose to …… in March 2022 against 270.59 in March 2021 ?
14
Sahitya Akademi Award-winning and litterateur Atulananda Goswami recently passed away. He received the Sahitya Akademi Award in 2006 for his short story collection ……..
15
What is the theme of World Hepatitis Day 2022 that was observed across the globe on 28th July 2022 by the World Health Organization (WHO) ?
General Studies
1
Yojna a weekly journal
2
Kurukshetra a journal on rural development is published by
3
Devaluation of a currency means
4
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
5
Which of the following programmes aims at the promotion of savings among rural women
6
What is Net National Product
7
National income is the
8
Chelliah Committee of 1992 deals with the overhauling of our
9
During which Five Year Plan was the annual growth rate of National Income the lowest
10
Which of the following taxes is a progressive tax
English
1
I go to Madurai by —– Vaigai Express
2
Have the car stolen!
3
The payment was collected by the hardworking salesman.
4
I had to stop all my work to complete this project.
5
They have published the names of all the successful candidates.
6
The online shopping site lowered the prices.
7
Who taught you to drive a truck ?
8
We shall invite Suresh.
9
Dark clouds have overcast the evening sky.
10
The partners will celebrate their triumph tomorrow.
11
Why did break the vase?
12
Mariam was writing a note to her boss.
13
The baby really enjoys that music.
14
The weather disrupted the final match.
15
The management committee is required to publish a report every year.
16
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
17
Assets
18
Affidavit
19
Hollow
20
Cosset
21
Ogle
22
Intrinsic
23
Coalesce
24
Loiter
25
The protests were......... at ......... awareness among the elite and the educated.
Computer Knowledge
1
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
2
What is active desktop ?
3
What is meant by an active window?
4
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
5
An application is
6
Which of the following programs enables you to calculate numbers related to rows and columns?
7
The term Briefcase is used for
8
In a graphical user interface, what is a button primarily used for?
9
A channel (in windows terminology) is
10
What does a checked checkbox generally indicate in a graphical user interface?
11
The term classic style implies
12
The term click implies
13
What is the primary function of the Close button marked with an X on a window?
14
A command button
15
What is smallest unit of the information?
16
A cursor is
17
What is a Database Management System (DBMS)?
18
The meaning of cut is
19
A setting or action predetermined by the program unless changed by the user is called as
20
The search back ground and main area of windows where you can open and manage files and programs is
21
What is a dialog box in a graphical user interface?
22
A letter, memo, proposal, or other that is created using Microsoft word is called as
23
The meaning of double click is
24
The term drag and drop means
25
What does dragging with a mouse mean?
Aptitude
1
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
2
Which of the following numbers is irrational ?
3
356 x 936 – 356 x 836 = ?
4
Arrange in descending order: 5/8, 7/10, 3/4
5
What is (3^{4} times 9^{2}) ?
6
If 34X-2 = 729, then find the value of X.
7
Convert 0.6 into fraction ?
8
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
9
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
10
If x*y = x2 + y2 – xy, then value of 9*11 is
11
Which is greater ?
12
If sum of two numbers is 42 and their product is 437, then find their difference.
13
Write the 44000 in Roman numerals
14
Convert 0.0909… into fraction ?
15
What is (98 times 102) ?
16
Which is smaller ?
17
Convert 0.5777… into fraction ?
18
Convert 0.81 into fraction ?
19
(63)2 – (12)2 =?
20
Which is greater ?
21
16.928 + 24.7582 
5.015 =?
5.015 =?22
Convert 0.75 into fraction ?
23
Which is greater ?
24
Two numbers are co-prime if their HCF is ?
25
Product of all factors of 10 is ?
Mechanical
1
A fin will be more effective when Bio number is
2
A tank of length, breadth and height in the ratio of 2:1:2 is full of water. The ratio of hydrostatic force at the bottom to that at any larger vertical surface is
3
Which of the following fluids exhibit a certain shear stress at zero shear strain rate followed by a straight line relationship between shear stress and shear strain rate?
4
What is the specific gravity of a marble stone, which weighs 400N in air, and 200N in water? (g=10m/s2)
5
What is the intensity of pressure in the following SI units, when specific gravity of mercury is 13.6 and the intensity of pressure is 400KPa ?
6
Consider the following statements:
1.If a small upward displacement is given to a floating body, it results in the reduction of the buoyant force acting on the body
2.A slight horizontal displacement does not change either the magnitude or the location of the buoyant force
Which of the above statements is/are correct?
1.If a small upward displacement is given to a floating body, it results in the reduction of the buoyant force acting on the body
2.A slight horizontal displacement does not change either the magnitude or the location of the buoyant force
Which of the above statements is/are correct?
7
State whether following flow field is physically possible?
8
In a differential manometer, a head of 0.5 m of fluid A in limb 1 is found to balance a head of 0.3 m of fluid B in limb 2. The atmospheric pressure is 760 mm of mercury. The ratio of specific gravities of A to B is
9
A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is
10
On which of the following just in time manufacturing philosophy emphasizes ?
11
In a stream line steady flow, two points A and B on a stream line are 1m apart and the flow velocity varies uniformly from 2m/s to 5m/s. What is the acceleration of fluid at B?
12
The stream function is given by Ψ = 3xy, then the velocity at the point (2,3) is
13
The boundary layer thickness at a given distance from the leading edge of a flat plate is
14
In a laminar flow through a circular pipe, the discharge varies
15
A fluid is flowing over a flat plate. At distance of 8 cm from the leading edge, the Reynolds number is found to be 25600. The thickness of the boundary layer at this point is
16
Air is flowing over a flat plate with a free stream velocity of 24 m/s, and its kinematic viscosity is 72 ×10-6m2/s. If at a particular point, the Reynolds number is 30000, its location from the leading edge is
17
In a refrigerator, the evaporator and condenser coil temperatures are –33°C and 27°C, respectively. Assuming that the maximum COP is realized, the required power input for a refrigerating effect of 4 kW is
18
In a hydraulic coupling
19
Consider the following statements:
1.The wheel can be operated freely in air
2.Pressure at the exit of the nozzle is atmospheric
3.Pressure does not vary along the moving vanes
4.Change the direction of momentum imparts thrust over moving vanes Which of the following statements are applied to impulse turbine?
1.The wheel can be operated freely in air
2.Pressure at the exit of the nozzle is atmospheric
3.Pressure does not vary along the moving vanes
4.Change the direction of momentum imparts thrust over moving vanes Which of the following statements are applied to impulse turbine?
20
A water jet 0.0015m2in area issues from a nozzle with 15 m/s velocity. It is made to impinge perpendicular on to a plate that moves away from the jet with a velocity of 5 m/s. The force on the plate due to this impact is
21
Consider the following statements with regard to hydraulic turbines:
1.Kaplan turbines are most efficient at part load operations.
2.If n is the number of jets in a Pelton turbine, then the specific speed is proportional to n2.
3.The flow ratio of Francis turbines are in the range of 0.1 – 0.3.
Which of the above statements is/are correct?
1.Kaplan turbines are most efficient at part load operations.
2.If n is the number of jets in a Pelton turbine, then the specific speed is proportional to n2.
3.The flow ratio of Francis turbines are in the range of 0.1 – 0.3.
Which of the above statements is/are correct?
22
Which of the following is a Vector quantity ?
23
Bernoulli’s equation is applicable between any two points located in
24
Water flows through a smooth circular pipe of diameter D and length L because of a pressure difference ΔP across the length. The volume flow rate is Q and the flow is turbulent with Reynolds number 105. If the pressure difference is increased to 4ΔP the volume flow rate will be
25
Heat is lost from a 100 mm diameter steam pipe placed horizontally in ambient air at 30°C. If the Nusselt number is 25 and the thermal conductivity of the air is 0.03 W/m K, then the heat transfer coefficient will be
26
For laminar flow through a round pipe, the shear stress
27
Percentage clongation during tensile test is indicative of
28
Which of the above statements is not correct in the context of laminar flow through a pipeline?
29
Laminar flow between closely spaced parallel plates is governed by the consideration of which one of the following pair of forces?
30
Formation and collapse of vapour bubbles are believed to be the root cause for cavitation in hydraulic turbines. Most favorable condition for the formation of bubbles is set in the turbine at
31
For fully developed laminar flow through a circular pipe with Reynolds number Rethe friction factor is
32
The ratio of power outlet of the pump to the power input to the pump is known as
33
A pump is defined as a device which converts
34
The specific speed of a pump is defined as the speed of the unit of such a size that is
35
Negative slip occurs in reciprocating pumps, when delivery pipe is
36
The pressure inside a soap bubble of 50 mm diameter is 25 N/m2 above the atmospheric pressure. The surface tension in soap film would be
37
A Newtonian fluid is one which
38
Unlike the viscosity of fluids, the viscosity of gases increases with increasing temperature. This is due to
39
Manometer is a device used for measuring
40
When a dolphin glides through air, it experiences an external pressure of 0.75 m of mercury. The absolute pressure on dolphin when it is 5m below the free surface of the water is
41
Which of the above statements is correct?
42
A wall of 0.6m thickness has normal area of 1.5 m2 and is made up of material of thermal conductivity 0.4 W/mK. If the temperature on the two sides of the wall are 800°C and 1000°C, the thermal resistance of the wall is
43
A flownet is a graphical representation of streamlines and euqipotnetial lines such as these lines
44
Which of the above statements is correct for the velocity of potential?
45
Angle of diverging portion of the venturimeter is limited to 7°, because:
1.Flow decelerates in the diverging portion and pressure increases in the downstream direction. Hence, the fluid experience an adverse pressure gradient, if the divergence angle is large.
2 .Flow separation takes place due to adverse pressure gradient when divergence angle is large.
3 .If the divergence angle is large, a negative pressure is created at the throat which obstructs the flow of fluid.
Which of the above reasons are correct?
1.Flow decelerates in the diverging portion and pressure increases in the downstream direction. Hence, the fluid experience an adverse pressure gradient, if the divergence angle is large.
2 .Flow separation takes place due to adverse pressure gradient when divergence angle is large.
3 .If the divergence angle is large, a negative pressure is created at the throat which obstructs the flow of fluid.
Which of the above reasons are correct?
46
A gas is flowing through an insulated nozzle. If the inlet velocity of gas is negligible and there is an enthalpy drop of 45kJ/kg, the velocity of gas leaving the nozzle is
47
Which of the above statements are correct for turbo-prop powered aircrafts?
1 .The propulsion efficiency of turbo-prop is higher than that of turbo-jet and rockets for low speeds up to about 800km/hr.
2.For the same thrust the turbine in the turbo prop aircraft is smaller than in the turbo-jet aircraft.
3.For the turbo-prop the flight velocity cannot exceed the jet velocity.
1 .The propulsion efficiency of turbo-prop is higher than that of turbo-jet and rockets for low speeds up to about 800km/hr.
2.For the same thrust the turbine in the turbo prop aircraft is smaller than in the turbo-jet aircraft.
3.For the turbo-prop the flight velocity cannot exceed the jet velocity.
48
If absolute jet exit velocity from a jet engine is 2800m/s and forward flight velocity is 1400m/s then propulsive efficiency is
49
An air-breathing aircraft is flying at an altitude where the air density is half the value at ground level. With reference to the ground level, the air fuel ratio at this altitude will be
50
Which of the above statements are correct for rockets?
1.Unlike the turbo-jet aircraft, in rockets the flight velocity can exceed the jet velocity.
2.In rockets gases having lower molecular weight increase the specific thrust.
3.In rockets the gases are expanded in the nozzle up to the atmospheric pressure.
1.Unlike the turbo-jet aircraft, in rockets the flight velocity can exceed the jet velocity.
2.In rockets gases having lower molecular weight increase the specific thrust.
3.In rockets the gases are expanded in the nozzle up to the atmospheric pressure.