A. Cavitation
B. Frictional losses
C. Kinetic energy loss
D. Static head
Related Mcqs:
- In case of a, centrifugal pump, the ratio h1/h2 is termed as the _____________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller)?
A. Mechanical
B. Overall
C. Volumetric
D. Impeller - If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?
A. 23
B. 23/2
C. 25/2
D. 21/3 - The type of pump used for lifting large quantity of sewage is a _________________ pump ?
A. Gear
B. Centrifugal
C. Reciprocating
D. Plunger - Runge-Kutta method is used to solve a/an __________________________?
A. Ordinary differential equation of nth order
B. Simultaneous non-linear equation
C. Linear differential equation
D. None of these - The delivery pressure of boiler feed water pump compared to the boiler steam pressure is___________________?
A. Same
B. Slightly less
C. Slightly more
D. Much more - 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 (CO.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/T1 - Factor of safety in machine design is defined as the ratio of ultimate stress to _____________ stress ?
A. Working
B. Bearing
C. Yield
D. None of these - Tip of the match stick contains a mixture of________________?
A. K + S
B. K + S + K2Cr2O7
C. S + K2Cr2O7 + White P
D. None of these - Joule-Thomson co-efficient is the ratio of________________?
A. Pressure change to temperature change occuring during adiabatic compression of a gas
B. Pressure change to temperature change occuring during adiabatic throttling of a gas
C. Temperature change to pressure change occuring during adiabatic compression of a gas
D. Temperature change to pressure change occuring during adiabatic throttling of a gas - ______________ the exhaust gas is an indication of the incomplete combustion of fuel?
A. Low temperature of
B. High temperature of
C. High % of CO in
D. High % of CO2 in
