» Thermal Engineering 2 solved MCQs

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

Byadmin April 3, 2021

Question:

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

4 categories

3 categories

2 categories

1 categories

Answer» b. 3 categories

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

» Thermal Engineering 2 solved MCQs

When steam reaches turbine blades the type of force responsible for moving turbine blades are

Question:

When steam reaches turbine blades the type of force responsible for moving turbine blades are

A.
axial force
B.
shear force
C.
longitudinal force
D.
none of the mentioned
Answer» a. axial force

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More When steam reaches turbine blades the type of force responsible for moving turbine blades are
» Engineering Materials solved MCQs

Micro-structure of a material is generally examined by

Question:

Micro-structure of a material is generally examined by

A.
Spectroscope techniques
B.
Optical microscope
C.
X-rays and electron diffraction
D.
Naked eye
Answer» e. Microscope

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More Micro-structure of a material is generally examined by
» Unconventional Machine Process (UMP) solved MCQs

Between which values does the side gap’s surface roughness vary?

Question:

Between which values does the side gap’s surface roughness vary?

A.
>1 µm
B.
>3 µm
C.
>5 µm
D.
>7 µm
Answer» c. >5 µm

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More Between which values does the side gap’s surface roughness vary?
» Internal Combustion Engines (I.C. Engines) solved MCQs

The cold start injector

Question:

The cold start injector

A.
maintain stoichiometric air-fuel ratio
B.
provides lean air-fuel ratio
C.
gives rich air-fuel ratio
D.
is not used for any of the above functions
Answer» c. gives rich air-fuel ratio

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More The cold start injector
» Unconventional Machine Process (UMP) solved MCQs

Too small gap causes which of the following effects?

Question:

Too small gap causes which of the following effects?

A.
sparking
B.
short circuit
C.
sparking & short circuit
D.
none of the mentioned
Answer» c. sparking & short circuit

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More Too small gap causes which of the following effects?
» Thermal Engineering 2 solved MCQs

Which of the following is recommended in a refrigeration cycle?

Question:

Which of the following is recommended in a refrigeration cycle?

A.
superheating of vapour
B.
subcooling of liquid
C.
both of the mentioned
D.
none of the mentioned
Answer» c. both of the mentioned

Note: The above multiple-choice question is for all general and Competitive Exams in India.

Read More Which of the following is recommended in a refrigeration cycle?

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

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When steam reaches turbine blades the type of force responsible for moving turbine blades are

Micro-structure of a material is generally examined by

Between which values does the side gap’s surface roughness vary?

The cold start injector

Too small gap causes which of the following effects?

Which of the following is recommended in a refrigeration cycle?