Kerala PSC Previous Years Question Paper & Answer
Page:17
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'AC Plant Operator' And exam conducted in the year 2023. And Question paper code was '148/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question86:-What is the advantage in central AC plant?
A:-The room temperature is constant
B:-The air supply is centralised
C:-Initial expense in less
D:-Energy efficiency high
Correct Answer:- Option-B
Question87:-The aspect ratio, for rectangular ducts, should not be greater than
in any case
A:-15
B:-16
C:-8
D:-10
Correct Answer:- Option-C
Question88:-Which sensors measure the moisture level using humidity?
A:-Resistive sensor
B:-Capacitive sensor
C:-Thermal sensor
D:-Conductive sensor
Correct Answer:- Option-B
Question89:-In package Air conditioner HP cut out is controlled by
A:-High pressure of discharge
B:-High pressure of suction
C:-High temperature of suction
D:-Pressure of liquid line
Correct Answer:- Option-A
Question90:-What is the effect on adjusting the thermostat differential too close in
package A/C?
A:-Normal cooling effect
B:-Unit runs continuously
C:-Unit does not start
D:-Unit starts and stops frequently
Correct Answer:- Option-D
Question91:-The location of thermostat sensing bulb in split package unit is
A:-Return air duct
B:-Liquid line
C:-Suction line