? GTU Engineering 1st Year MCQ | Elements of Mechanical Engineering-2110006 Summer 2016 Sem-2

MCQ(s) of Elements of Mechanical Engineering (2110006) - Summer 2016 Sem-2

    • Q. 1  The S.I. unit N-m/s is called
    • (A) Watt
      (B) Joule
    • (C) Calorie
      (D) None of the above
    • (A) Watt
    • Q. 2  The Universal gas Constant is equal to
    • (A) M/R
      (B) R/M
    • (C) M*R
      (D) All of the above
    • (B) R/M
    • Q. 3  The law PV = C is related to this process
    • (A) Adiabatic
      (B) Isobaric
    • (C) Isochoric
      (D) Isothermal
    • (D) Isothermal
    • Q. 4  Dryness fraction(x) of superheated steam is
    • (A) equal to 0
      (B) greater than 1
    • (C) less than 1
      (D) equal to 1
    • (D) equal to 1
    • Q. 5  Cut-off ratio is related to
    • (A) Carnot cycle
      (B) Otto cycle
    • (C) Diesel cycle
      (D) Rankine cycle
    • (C) Diesel cycle
    • Q. 6  The compression ratio for Diesel engine is in the following range:
    • (A) 12 to 22
      (B) 5 to 10
    • (C) 10 to 12
      (D) None of the above
    • (A) 12 to 22
    • Q. 7  Gear pump and Vane pump are types of
    • (A) Rotary pump
      (B) Reciprocating pump
    • (C) Centrifugal pump
      (D) None of the above
    • (A) Rotary pump
    • Q. 8  The work done on compressor is least when the compression is
    • (A) Isothermal
      (B) Adiabatic
    • (C) Polytropic
      (D) None of the above
    • (A) Isothermal
    • Q. 9  Inter cooling in multi stage compression is used to
    • (A) cool air
      (B) Minimize the work done
    • (C) reduce volume of air
      (D) None of the above
    • (B) Minimize the work done
    • Q. 10  In the domestic refrigerators the bank of tubes at the back of the refrigerator are
    • (A) Condenser tubes
      (B) Evaporator tubes
    • (C) Capillary tubes
      (D) All of the above
    • (A) Condenser tubes
    • Q. 11  Heat is absorbed by refrigerant during refrigeration cycle in
    • (A) Condenser
      (B) Evaporator
    • (C) Capillary
      (D) None of the above
    • (B) Evaporator
    • Q. 12  The unit of pressure is
    • (A) Pascal
      (B) N/m2
    • (C) bar
      (D) all of the above
    • (D) all of the above
    • Q. 13  The sealing ring for pressure cooker is made from
    • (A) Leather
      (B) Rubber
    • (C) Plastic
      (D) Aluminum
    • (B) Rubber
    • Q. 14  Plate type, Cone type and Centrifugal type are the types of
    • (A) Couplings
      (B) Brakes
    • (C) Clutches
      (D) Gear drives
    • (C) Clutches