Material of construction of foundry crucible is _________________?

Question: For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.
[A].

250

[B].

500

[C].

1000

[D].

3000

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following pair is correctly matched?
[A].

Heat transfer: Thermal diffusivity.

[B].

Mass transfer: Diffusion co-efficient.

[C].

Momentum transfer: Kinematic viscosity.

[D].

all ‘a’, ‘b’ & ‘c’ are correctly matched.

Answer: Option D

Explanation:

No answer description available for this question.

Question: A thermally thin body is the one for which
[A].

Biot number is less than 0.1.

[B].

Gallileo number is less than 0.1.

[C].

Fourier number is less than 0.1.

[D].

Fourier number is greater than 0.1.

Answer: Option A

Explanation:

No answer description available for this question.