AREA 3 Common Questions Recalled

Question 1

Resist the change in current

Answer 1

Inductance

Question 2

Inductance Unit

Answer 2

Henry

Question 3

Resist changes in voltage

Answer 3

Capacitance

Question 4

The ratio of applied voltage to the resultant steady state current

Answer 4

Impedance

Question 5

Capacitance Unit

Answer 5

Farad

Question 6

A change in phase but no change in temperature

Answer 6

Latent Heating

Question 7

There is no change in phase but change in temperature

Answer 7

Sensible Heating

Question 8

Latent heating Liquid to Vapor

Answer 8

2257.06 kJ/kg

Question 9

Latent Heating solid to liquid

Answer 9

333.2 kJ/kg

Question 10

Sensible Heating
Water Cp value

Answer 10

4.19 kJ/kg-K

Question 11

Sensible Heating Ice Cp value

Answer 11

2.09 kJ/kg-K

Question 12

1 roll of tire wire is equal to?

Answer 12

45kg or approx 2,385 m or 53 m/kg

Question 13

Convert AC to DC

Answer 13

Inverter

Question 14

R in mol

Answer 14

8.314 J/K-mol

Question 15

R in kg

Answer 15

287 J/K-kg

Question 16

1mm2 in circularmill

Answer 16

1973.53 cmill

Question 17

1Hp in BTU/hr

Answer 17

2545 BTU/hr

Question 17

1 BTU in Joules

Answer 17

1055 J

Question 20

1 Ton Refrigerant in kJ/s

Answer 20

3.52 kJ/s

Question 20

1 Ton Refrigerant in BTU/hr

Answer 20

12,000 BTU/hr