MCQs Gate Chemical Engineering

1. A student is required to demonstrate a high level of comprehension of the subject, especially in the social sciences. The word closest in meaning to comprehension is
(a) understanding
(b) meaning
(c) concentration
(d) stability                                           
Ans(a)
2. Choose the most appropriate word from the options given below to complete the following sentence One of his biggest_____ was his ability to forgive
(a) vice                                                            
(b)virtues
(c) choices                                                      
(d)strength                                                  
Ans(b)
3. Rajan was not happy that Sajan decided to do the project on his own. On observing his unhappiness, Sajan explained to Rajan that he preferred to work independently. Which one of the statements below is logically valid and can be inferred from the above sentences?
(a)Rajan has decided to work only I a group.
(b) Rajan and Sajan were formed into a group against their wishes.
(c) Sajan has decided to give in to Rajan’s request to work with him.
(d) Rajan had believed that Sajan and he would be working together.                                                              
Ans(d)
4. If y= 5x2+3,then the tangent at x=0,y=3
(a) passes through x=0,y=0
(b)  has a slope of +1
(c) is parallel to the x-axis
(d)has a slope of -1                                            
Ans(c)
5. A foundry has a fixed daily cost of 50,000Rs whenever it operates and a variable cost of 800Rs Q , where Q is the daily production in tonnes. What is the cost of production in Rs per tonne for a daily production of 100 tonnes?
(a) 1200 to 1200                                                        
(b)1500 to 1650
(c) 1400 to 1400                                                         
(d)1300 to 1300                                                                
Ans(d)
6. Find the odd one in the following group:
(a) ALRVX                                      
(b)EPVZB
(c) ITZDF                                       
(d)OYEIK                                                        
Ans(d)
7. The smallest angle of a triangle is equal to two thirds of the smallest angle of a quadrilateral. The ratio between the angles of the quadrilateral is 3:4:5:6. The largest angle of the triangle is twice its smallest angle. What is the sum, in degrees, of the second largest angle of the triangle and the largest angle of the quadrilateral?
(a) 180 to 180                                                               
(b) 202 to 202
(c) 45 to 45                                                                    
(d) 150 to 150                                                                   
Ans(a)
8.. One percent of the people of country X are taller than 6 ft. two percent of the people of country y are taller than 6 ft. There are thrice as many people in country X as in country Y. Taking both countries together, what is the percentage of people taller than 6ft?
(a) 3.0                                                              
(b)2.5
(c) 1.5                                                           
(d)1.25                                                                                     
Ans(d)
9. Gradient of a scalar variable is always
(a) a vector                                                    
(b) a scalar
(c) a dot product                                         
(d) zero             
Ans(a)
10.From the following list, identify the properties which are equal in both vapour and liquid phases at equilibrium
P. Density
Q. Temperature
R. Chemical potential
S. Enthalpy
(a) P and Q only
(b)  Q and R only
(c) R and S only
(d)  P and S only                                            
Ans(b)
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