Engineering Mechanics | Mechanical Engineering

Frequency of vibrations means the number of cycles per second.

Byadmin September 14, 2022

Question: Frequency of vibrations means the number of cycles per second.
[A].

Yes

[B].

Answer: Option A

Explanation:

No answer description available for this question.

Ic Engines And Nuclear Power Plants | Mechanical Engineering

For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.

Question: For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.
[A].

less
[B].
more

Answer: Option B

Explanation:

No answer description available for this question.

Read More For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)

Question: If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)
[A].

D1/D2 = p1p2
[B].
D1/D2 = p1/p2
[C].
D1/D2 = p2/p1
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)
Automobile Engineering | Mechanical Engineering

Instead of valves, the ports are used in case of

Question: Instead of valves, the ports are used in case of
[A].

four stroke I.C. engines
[B].
two-stroke I.C. engines
[C].
V-6 engines
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Instead of valves, the ports are used in case of
Engineering Mechanics

According to law of triangle of forces __________________ ?

According to law of triangle of forces __________________ ?

A. three forces acting at a point will be in equilibrium
B. three forces acting at a point can be represented by a triangle, each side being proportional to force
C. if three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
D. if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
E. none of the above

Read More According to law of triangle of forces __________________ ?
Engineering Mechanics | Mechanical Engineering

During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

Question: During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
[A].

equal to
[B].
equal and opposite to
[C].
less than
[D].
greater than

Answer: Option B

Explanation:

No answer description available for this question.

Read More During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
Engineering Mechanics

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_________________?

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_________________?

A. 38 m
B. 62.5 m
C. 96 m
D. 124 m
E. 240 m

Read More A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_________________?

Similar Posts