? GTU Engineering 1st Year MCQ | 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
    • (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
    • (D) Temperature
    • Q. 3  Polytropic expansion of a gas is given by the law
    • (A) pVn = C
      (B) pVγ = C
    • (C) pV = C
      (D) pVo = C
    • (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
    • (D) none of the above
    • Q. 5  Bucket pump is a type of ___________ pump.
    • (A) rotary
      (B) Centrifugal
    • (C) reciprocating
      (D) axial
    • (C) reciprocating
    • Q. 6  Centrifugal compressor is suitable for producing?
    • (A) High pressure
      (B) medium pressure
    • (C) low pressure
      (D) all of the above
    • (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
    • (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
    • (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
    • (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
    • (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
    • (D) 210 kJ/min
    • Q. 12  Belt drive provides_____________flexibilty compared to gear drive.
    • (A) more
      (B) less
    • (C) same
      (D) can’t say
    • (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
    • (C) Couplings
    • Q. 14  ____________ is the characteristic of cast iron.
    • (A) ductile
      (B) malleable
    • (C) very brittle
      (D) all of the above
    • (C) very brittle