Engineering Materials | Mechanical Engineering

Grey cast iron has

Byadmin September 14, 2022

Question: Grey cast iron has
[A].

carbon in the form of free graphite

[B].

high tensile strength

[C].

low compressive strength

[D].

all of these

Answer: Option A

Explanation:

No answer description available for this question.

Engineering Mechanics | Mechanical Engineering

If the body falls freely under gravity, then the gravitational acceleration is taken as

Question: If the body falls freely under gravity, then the gravitational acceleration is taken as
[A].

+8.9 m/s2
[B].
-8.9 m/s2
[C].
+9.8 m/s2
[D].
-9.8 m/s2

Answer: Option C

Explanation:

No answer description available for this question.

Read More If the body falls freely under gravity, then the gravitational acceleration is taken as
Engineering Materials

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

A. silver metal
B. duralumin
C. Hastelloy
D. monel metal
E. invar

Read More Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?
Industrial Engineering And Production Management | Mechanical Engineering

In break even analysis, total cost consists of

Question: In break even analysis, total cost consists of
[A].

fixed cost + sales revenue
[B].
variable cost + sales revenue
[C].
fixed cost + variable cost
[D].
fixed cost + variable cost + profit

Answer: Option C

Explanation:

No answer description available for this question.

Read More In break even analysis, total cost consists of
Automobile Engineering | Mechanical Engineering

An engine has a clearance volume of 100 cm3 and a swept volume of 800 cm3. The compression ratio is

Question: An engine has a clearance volume of 100 cm3 and a swept volume of 800 cm3. The compression ratio is
[A].

7:1
[B].
8:1
[C].
9:1
[D].
10:1

Answer: Option C

Explanation:

No answer description available for this question.

Read More An engine has a clearance volume of 100 cm3 and a swept volume of 800 cm3. The compression ratio is
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.

Question: Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.
Hydraulics and Fluid Mechanics | Mechanical Engineering

For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

Question: For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called
[A].

continuity equation
[B].
Bernoulli’s equation
[C].
Pascal’s law
[D].
Archimede’s principle

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

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