Thermodynamics

Question 1

Determine the specific weight of air at 760 mmHg absolute and 22°C

A. 1.024 kg/m³
B. 1.316 kg/m³
C. 1.197 kg/m³
D. 1.266 kg/m³

Answer 1

C. 1.197 kg/m³

Question 2

Find the enthalpy of Helium if its internal energy is 200 kj/kg

A. 144 kj/kg
B. 223.42 kj/kg
C. 333.42 kj/kg
D. 166 kj/kg

Answer 2

C. 333.42 kj/kg

Question 3

Compute the mass of a 2m³ propane at 280 kPa and 40°C

A. 6.47 kg
B. 5.1 kg
C. 10.20 kg
D. 9.47 kg

Answer 3

D. 9.47 kg

Question 4

Find the pressure at the 100 fathom depth of water in kpag

A. 1793.96 kpag
B. 1893.96 kpag
C. 1993.96 kpag
D. 1693.96 kpag

Answer 4

A. 1793.96 kpag

Question 5

Find the depth in furlong of the ocean (SG=1.03). If the pressure at the sea bed is 2032.56 kpag

A. 1
B. 2
C. 3
D. 4

Answer 5

A.1