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Latest KMC Delhi Laboratory Attendant Exam Question (Objective Questions), MCQ in English

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Question Bank KMC Delhi Laboratory Attendant (Physics) Exam - English
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General Science

Question 1Single Answer
The least count of a standard metric vernier caliper is?
  1. A
    0.02 cm
  2. B
    0.1 cm
  3. C
    0.01 cm
  4. D
    0.2 cm
Question 2Single Answer
The SI unit of pressure is?
  1. A
    dyne
  2. B
    joule
  3. C
    pascal
  4. D
    watt
Question 3Single Answer
Which instrument is used to measure small lengths with high accuracy?
  1. A
    Scale
  2. B
    Screw gauge
  3. C
    Compass
  4. D
    Hydrometer
Question 4Single Answer
The least count of a screw gauge with pitch 1 mm and 100 divisions is?
  1. A
    0.1 mm
  2. B
    1 mm
  3. C
    0.001 mm
  4. D
    0.01 mm
Question 5Single Answer
The instrument used to measure electric current is?
  1. A
    Ohmmeter
  2. B
    Voltmeter
  3. C
    Galvanometer
  4. D
    Ammeter
Question 6Single Answer
A stopwatch measures?
  1. A
    Pressure
  2. B
    Mass
  3. C
    Time
  4. D
    Density
Question 7Single Answer
The SI unit of luminosity is?
  1. A
    watt
  2. B
    lumen
  3. C
    lux
  4. D
    candela
Question 8Single Answer
Which instrument is used to measure relative humidity?
  1. A
    Thermometer
  2. B
    Barometer
  3. C
    Hygrometer
  4. D
    Spectrometer
Question 9Single Answer
A barometer measures?
  1. A
    Temperature
  2. B
    Humidity
  3. C
    Atmospheric pressure
  4. D
    Electric potential
Question 10Single Answer
What is the SI unit of energy?
  1. A
    watt
  2. B
    joule
  3. C
    pascal
  4. D
    newton
Question 11Single Answer
Which instrument is used to measure temperature precisely in laboratories?
  1. A
    Clinical thermometer
  2. B
    Digital thermometer
  3. C
    Mercury laboratory thermometer
  4. D
    Expansion thermometer
Question 12Single Answer
The standard unit of electric charge is?
  1. A
    volt
  2. B
    ampere
  3. C
    coulomb
  4. D
    ohm
Question 13Single Answer
The least count of a spherometer depends on?
  1. A
    Only screw length
  2. B
    Only pitch
  3. C
    Only radius
  4. D
    Pitch and number of divisions
Question 14Single Answer
The instrument used to measure EMF is?
  1. A
    Ammeter
  2. B
    Voltmeter
  3. C
    Galvanometer
  4. D
    Potentiometer
Question 15Single Answer
To measure mass, which device is used?
  1. A
    Photometer
  2. B
    Manometer
  3. C
    Beam balance
  4. D
    Densitometer
Question 16Single Answer
The instrument used to measure voltage is?
  1. A
    Ammeter
  2. B
    Hygrometer
  3. C
    Thermistor
  4. D
    Voltmeter
Question 17Single Answer
The SI unit of frequency is?
  1. A
    rad/s
  2. B
    watt
  3. C
    joule
  4. D
    hertz
Question 18Single Answer
A micrometer screw gauge is best for measuring?
  1. A
    Earth radius
  2. B
    Room length
  3. C
    Wire diameter
  4. D
    Air pressure
Question 19Single Answer
The SI unit of power is?
  1. A
    watt
  2. B
    joule
  3. C
    pascal
  4. D
    lumen
Question 20Single Answer
Which instrument is used to measure sound level?
  1. A
    Decibel meter
  2. B
    Audiometer
  3. C
    Barometer
  4. D
    Thermocouple
Question 21Single Answer
Which instrument is used to measure refractive index?
  1. A
    Refractometer
  2. B
    Barometer
  3. C
    Hygrometer
  4. D
    Galvanometer
Question 22Single Answer
The SI unit of force is?
  1. A
    newton
  2. B
    watt
  3. C
    dyne
  4. D
    joule
Question 23Single Answer
To measure high temperature in furnaces, the device used is?
  1. A
    Thermocouple
  2. B
    Mercury thermometer
  3. C
    Alcohol thermometer
  4. D
    Hygrometer
Question 24Single Answer
The least count of a digital vernier is usually?
  1. A
    0.2 mm
  2. B
    0.1 cm
  3. C
    0.01 mm
  4. D
    1 mm
Question 25Single Answer
A hydrometer measures?
  1. A
    Mass
  2. B
    Pressure
  3. C
    Temperature
  4. D
    Density of liquids
Question 26Single Answer
A galvanometer measures?
  1. A
    Small currents
  2. B
    Large currents
  3. C
    Voltage
  4. D
    Resistance
Question 27Single Answer
What is the unit of electric resistance?
  1. A
    volt
  2. B
    ohm
  3. C
    watt
  4. D
    henry
Question 28Single Answer
The device used for measuring wind speed is?
  1. A
    Anemometer
  2. B
    Hygrometer
  3. C
    Voltmeter
  4. D
    Altimeter
Question 29Single Answer
Specific gravity is measured using?
  1. A
    Barometer
  2. B
    Thermometer
  3. C
    Hydrometer
  4. D
    Galvanometer
Question 30Single Answer
Least count is defined as?
  1. A
    Maximum error
  2. B
    Instrument range
  3. C
    Smallest measurable value
  4. D
    Average of readings
Question 31Single Answer
A manometer measures?
  1. A
    Mass
  2. B
    Pressure difference
  3. C
    Light intensity
  4. D
    Energy
Question 32Single Answer
The pitch of a screw gauge is?
  1. A
    No. of divisions/rotation
  2. B
    Distance moved per rotation
  3. C
    Diameter of screw
  4. D
    Scale length
Question 33Single Answer
The instrument used to check flatness of a surface is?
  1. A
    Vernier caliper
  2. B
    Spherometer
  3. C
    Screw gauge
  4. D
    Compass
Question 34Single Answer
The SI unit of torque is?
  1. A
    N/m
  2. B
    N
  3. C
    N·m
  4. D
    J/s
Question 35Single Answer
Which instrument is used to measure radiant heat?
  1. A
    Photometer
  2. B
    Thermopile
  3. C
    Hygrometer
  4. D
    Spectrometer
Question 36Single Answer
A tachometer measures?
  1. A
    Torque
  2. B
    Temperature
  3. C
    Rotational speed
  4. D
    Acceleration
Question 37Single Answer
A potentiometer measures?
  1. A
    Temperature
  2. B
    Current directly
  3. C
    Mass of charge
  4. D
    Potential difference accurately
Question 38Single Answer
The standard unit of inductance is?
  1. A
    Farad
  2. B
    Henry
  3. C
    Ohm
  4. D
    Tesla
Question 39Single Answer
A densitometer measures?
  1. A
    Speed
  2. B
    Current
  3. C
    Pressure
  4. D
    Density
Question 40Single Answer
The device used to measure altitude is?
  1. A
    Hygrometer
  2. B
    Barometer
  3. C
    Altimeter
  4. D
    Refractometer
Question 41Single Answer
A pyrometer measures?
  1. A
    High temperature
  2. B
    High pressure
  3. C
    High velocity
  4. D
    High current
Question 42Single Answer
The SI unit of heat is?
  1. A
    calorie
  2. B
    joule
  3. C
    watt
  4. D
    dyne
Question 43Single Answer
The instrument used to measure gravitational acceleration is?
  1. A
    Hygrometer
  2. B
    Manometer
  3. C
    Ammeter
  4. D
    Gravimeter
Question 44Single Answer
A seismograph records?
  1. A
    Earthquakes
  2. B
    Air speed
  3. C
    Density
  4. D
    Electricity
Question 45Single Answer
A photometer measures?
  1. A
    Light intensity
  2. B
    Air pressure
  3. C
    Speed
  4. D
    Heat
Question 46Single Answer
A spectrometer measures?
  1. A
    Mass
  2. B
    Temperature
  3. C
    Pressure
  4. D
    Wavelength
Question 47Single Answer
Which instrument is used to measure magnetic field?
  1. A
    Barometer
  2. B
    Gaussmeter
  3. C
    Manometer
  4. D
    Densitometer
Question 48Single Answer
A diathermometer measures?
  1. A
    Frequency
  2. B
    Heat conductivity
  3. C
    Pressure
  4. D
    Force
Question 49Single Answer
SI unit of capacitance is?
  1. A
    Farad
  2. B
    Newton
  3. C
    Volt
  4. D
    Henry
Question 50Single Answer
The instrument used to measure electric resistance is?
  1. A
    Barometer
  2. B
    Ammeter
  3. C
    Voltmeter
  4. D
    Ohmmeter
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