The _________________ of a double acting reciprocating pump as compared to the single acting pump will be almost double ?

Related Mcqs:

1. Filler material used in welding should have _________________ as compared to the parent metal to be welded ?

   A. Lower melting temperature
   B. Same melting temperature
   C. Same composition
   D. Both ‘B’ & ‘C’

2. Boiling point of a solution as compared to that of the corresponding solvent is _________________?

   A. Less
   B. More
   C. Same
   D. Either more or less; depends upon the solvent

3. Answer: Option B 392. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to _____________ °C?

   A. 270
   B. 327
   C. 300
   D. 540

4. Which of the following is not the function of a volute casing provided in a centrifugal pump ?

   A. To reduce the head loss in discharge
   B. To increase the pump efficiency
   C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at
   constant velocity
   D. To increase the pump discharge rate

5. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

   A. T1/(T1-T2)
   B. T2/(T1-T2)
   C. T1/T2
   D. T2/R1

6. For a single component two phase mixture, the number of independent variable properties are_________________?

   A. Two
   B. One
   C. Zero
   D. Three

7. The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is____________________?

   A. More
   B. Equal
   C. Less
   D. Double

8. In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?

   A. More
   B. Less
   C. Same
   D. Unpredictable; depends on the particular reaction

9. The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is__________________?

   A. Less pronounced
   B. More pronounced
   C. Equal
   D. Data insufficient, can’t be predicted

10. Gases diffuse faster compared to liquids because of the reason that the liquid molecules_________________?

    A. Are held together by stronger inter-molecular forces
    B. Move faster
    C. Have no definite shape
    D. Are heavier