CLASS SECTION/SCHEDULE (FRI-AM, FRI-PM, SAT-AM, SAT-PM, SUN-AM, SUN-PM, ONLINE)

1.

What is the absolute pressure, in SI units, of a fluid at a gauge pressure of 1.5 bar if atmospheric pressure is 1.01 bar?

a. 251 Pa

b. 261 kPa

c. 2.51 kPa

d. 251 kPa

A

B

C

D

2.

A

B

C

D

3.

A

B

C

D

4.

A

B

C

D

5.

Calculate the kinetic energy of a body which has a mass of 5 kg and a velocity of 10m/s.

a. 260 J

b. 250 kJ

c. 260 kJ

d. 250 J

A

B

C

D

6.

Calculate the increase in internal energy of a gas in a closed system during a process in which -100 J of heat transfer and 400 J of work transfer take place.

a. 300 J

b. 300 kJ

c. 200 J

d. 200 kJ

A

B

C

D

7.

Calculate the change in potential energy of a mass of 5 kg when it is raised a height of 3m.

a. 152 J

b. 147 kJ

c. 147 J

d. 152 kJ

A

B

C

D

8.

What is the temperature of the air as it leaves the system a. 465 K

b. 456 K

c. 467 K

d. 476 K

A

B

C

D

9.

What is the velocity in the exit pipe a. 270 m/s

b. 250 m/s

c. 260 m/s

d. 240 m/s

A

B

C

D

10.

Which of the following laws is applicable to the behaviour of a perfect gas?