Which of the following refrigerant is highly toxic and flammable?

Byadmin September 14, 2022

Question: Which of the following refrigerant is highly toxic and flammable?
[A].

Ammonia

[B].

Carbon dioxide

[C].

Sulphur dioxide

[D].

R-12

Answer: Option A

Explanation:

No answer description available for this question.

Refrigeration and Air Conditioning

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

A. in 1 hour
B. in 1 minute
C. in 24 hours
D. in 12 hours
E. in 10 hours

Read More One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?
Heat Transfer

Depending on the radiating properties, a body will be black when_________________?

Depending on the radiating properties, a body will be black when_________________?

A. p = 0, x = 0 and a = 1
B. p= l,T = 0anda = 0
C. p = 0, x = 1 and a = 0
D. x = 0, a + p = 0
E. a = 0,x + p= 1.
where a = absorptivity, p == reflectivity, X = transmissivity

Read More Depending on the radiating properties, a body will be black when_________________?
Industrial Engineering And Production Management | Mechanical Engineering

A company spends considerable amount on publicity to promote sales. This expenditure in break even chart is shown below the

Question: A company spends considerable amount on publicity to promote sales. This expenditure in break even chart is shown below the
[A].

fixed cost line
[B].
variable cost line
[C].
total cost line
[D].
sales revenue line

Answer: Option B

Explanation:

No answer description available for this question.

Read More A company spends considerable amount on publicity to promote sales. This expenditure in break even chart is shown below the
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by

Question: In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by
Refrigeration and Air Conditioning

Where does the lowest temperature occur in a vapour compression cycle ?

Where does the lowest temperature occur in a vapour compression cycle ?

A. condenser
B. evaporator
C. compressor
D. expansion valve
E. receiver

Read More Where does the lowest temperature occur in a vapour compression cycle ?
CHEMICAL ENGINEERING | Heat Transfer

For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it

Question: For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it
[A].

decreases the pressure drop.
[B].
decreases the outlet temperature of cooling medium.
[C].
increases the overall heat transfer coefficient.
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it

Similar Posts