A. Entropy
B. Pressure
C. Volume
D. Heat
Related Mcqs:
- 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 - Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?
A. 3
B. 5
C. 0.5
D. 1.5 - Otto cycle used in spark ignition petrol engines is also known as the constant ________________ cycle?
A. Volume
B. Pressure
C. Heat
D. None of these - Thermodynamic cycle involved in the working of a thermal power plant is the ______________ cycle ?
A. Joule
B. Carnot
C. Rankine
D. Brayton - Air standard Otto cycle is more efficient than the diesel cycle for the same__________________?
A. Heat addition & compression ratio
B. Heat addition & pressure
C. Compression ratio & pressure
D. Cylinder dimension & rpm - The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?
A. Fatigue strength
B. Creep strength
C. Resilience
D. Endurance limit - Gas turbine normally employs a constant _______________ cycle?
A. Pressure
B. Temperature
C. Volume
D. None of these - A fluid is termed as the Newtonian fluid, when the shear stress is _________________ the velocity gradient ?
A. Independent of
B. Inversely proportional to
C. Directly proportional to
D. None of these - Rankine cycle comprises of two isothermal and two ___________________ processes?
A. Isobaric
B. Polytropic
C. Isentropic
D. None of these - A material is capable of resisting softening at high temperature, because of its property termed as____________________?
A. Hot temper
B. Hot hardness
C. Fatigue
D. Creep
