The efficiency of Diesei cycle with decrease in cut off_________________?

Byadmin January 26, 2019August 16, 2021

The efficiency of Diesei cycle with decrease in cut off_________________?

A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases

Thermodynamics

Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?

Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?

A. zeroth low of thermodynamic
B. first law of thermodynamics
C. second law to thermodynamics
D. basic law of thermodynamics
E. claussius statement

Read More Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?
Thermodynamics

The ratio of two specific heats of air is equal to____________________?

The ratio of two specific heats of air is equal to____________________?

A. 0.17
B. 0.24
C. 0.1
D. 1.41
E. 2.71

Read More The ratio of two specific heats of air is equal to____________________?
Thermodynamics

The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will______________?

The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will______________?

A. increase
B. decrease
C. remain unchanged
D. increase/decrease depending on ap-plication
E. unpredictable

Read More The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will______________?
Thermodynamics

The specific heat of air increases with increase in __________________?

The specific heat of air increases with increase in __________________?

A. temperature
B. pressure
C. both pressure and temperature
D. variation of its constituents
E. air flow

Read More The specific heat of air increases with increase in __________________?
Thermodynamics

If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?

If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?

A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion
E. throttling

Read More If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?
Thermodynamics

Mixture of ice and water form a________________________?

Mixture of ice and water form a________________________?

A. closed system
B. open system
C. isolated system
D. heterogeneous system
E. thermodynamic system.

Read More Mixture of ice and water form a________________________?

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