GTU Engineering 1st Year MCQ | Elements of Mechanical Engineering-2110006 Winter 2015 Sem-1

Elements of Mechanical Engineering (2110006)
Winter 2015 Sem-1

MCQ(s) of Elements of Mechanical Engineering (2110006) - Winter 2015 Sem-1

- Q. 1 Prime mover is a device which converts natural resources into ____________ energy.
- (A) With decrease in pressure
  
  (B) with increase in pressure
- (C) is unaffected by pressure
  
  (D) none of the above
- Answer
  
  (D) none of the above
- Q. 2 Zeroth law of thermodynamics forms the basis of measurement of the following.
- (A) heat exchange
  
  (B) work
- (C) pressure
  
  (D) Temperature
- Answer
  
  (D) Temperature
- Q. 3 Polytropic expansion of a gas is given by the law
- (A) pVⁿ = C
  
  (B) pV^$γ$ = C
- (C) pV = C
  
  (D) pV^o = C
- Answer
  
  (A) pVⁿ = C
- Q. 4 Behaviour of vapour can be determined by
- (A) Boyles law
  
  (B) Charles law
- (C) Combined law
  
  (D) none of the above
- Answer
  
  (D) none of the above
- Q. 5 Bucket pump is a type of ___________ pump.
- (A) rotary
  
  (B) Centrifugal
- (C) reciprocating
  
  (D) axial
- Answer
  
  (C) reciprocating
- Q. 6 Centrifugal compressor is suitable for producing?
- (A) High pressure
  
  (B) medium pressure
- (C) low pressure
  
  (D) all of the above
- Answer
  
  (C) low pressure
- Q. 7 Spur gear has teeth__________to the axes of the gears.
- (A) inclined
  
  (B) parallel
- (C) perpendicular
  
  (D) any of the above
- Answer
  
  (B) parallel
- Q. 8 The energy absorbed by brakes is released in surrounding in form of
- (A) heat energy
  
  (B) kinetic energy
- (C) potential energy
  
  (D) pressure energy
- Answer
  
  (A) heat energy
- Q. 9 Which engine produces more power for same compression ratio
- (A) 4- stroke diesel engine
  
  (B) 4- stroke petrol engine
- (C) 2- stroke diesel engine
  
  (D) 2- stroke petrol engine
- Answer
  
  (D) 2- stroke petrol engine
- Q. 10 The operation of filling passage ways with liquid from outside source before starting pumps is known as____________.
- (A) cavitation
  
  (B) cleaning
- (C) priming
  
  (D) chocking
- Answer
  
  (C) priming
- Q. 11 One ton of refrigeration is equal to
- (A) 221 kJ/min
  
  (B) 420 kJ/min
- (C) 600 kJ/min
  
  (D) 210 kJ/min
- Answer
  
  (D) 210 kJ/min
- Q. 12 Belt drive provides_____________flexibilty compared to gear drive.
- (A) more
  
  (B) less
- (C) same
  
  (D) can’t say
- Answer
  
  (A) more
- Q. 13 Which of the following elements is used to connect two shafts____
- (A) clutch
  
  (B) brakes
- (C) Couplings
  
  (D) none of above
- Answer
  
  (C) Couplings
- Q. 14 ____________ is the characteristic of cast iron.
- (A) ductile
  
  (B) malleable
- (C) very brittle
  
  (D) all of the above
- Answer
  
  (C) very brittle