github

Made bySaurav Hathi

Mechanical Engineering - Practice Test - 10

Q1:

In an impulse turbine.......


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q2:

The stage efficiency (ηs)is given by ( where ηb=blading efficiency and ηn =nozzle efficiency )........

 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q3:

There is enthalpy drop only in.......blades in case of an impulse steam turbine
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q4:

The ratio of work done on the blades per kg of steam to the energy supplied to the blades is called........


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q5:

Da-laval turbines are mostly used.......


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q6:

In a reaction turbine........


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q7:

The degree of reaction is defined as the ratio........


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q8:

Multi-stage steam turbines are of the ___________
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q9:

The critical pressure gives the velocity of steam at the throat ___________
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q10:

The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be ___________
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q11:

The reheat factor in a steam turbine depends on
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q12:

In nozzle governing, the flow rate of steam is regulated by _________
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q13:

The flow rate of steam is controlled by regulating the _________
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q14:

What is primary objective of steam turbine governing?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q15:

When bypass valve is opened to _______
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q16:

What is the air standard cycle for a Gas-Turbine called?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q17:

What is the difference between a Rankine cycle & a Brayton cycle?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q18:

Which among these is the main component of a gas turbine plant?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q19:

What part or % of power developed is utilized for driving the compressor?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q20:

Which of these is not a part of a Gas Turbine Plant?
 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q21:

The function of _________ is to convert high kinetic energy of gases into pressure energy.

 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q22:

How is the variation of air velocity while passing through impeller followed by diffuser in centrifugal compressor?

 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q23:

What is the ratio of isentropic work to Euler work in an centrifugal compressor called?

 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q24:

Rotary compressor is best suited for.......


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options:
Q25:

The most efficient method of compressing air is to compress it.......


 

Tags:
Kalsee_ME
Section:
ME Miscellaneous
Options: