Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANIC REFRIGERATION AND AIR CONDITIONING INDUSTRIAL TRAINING' And exam conducted in the year 2018. And Question paper code was '067/2018'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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In saturated air :
(^) षा = शा (B) WBT = DPT (ಲ) DBT =DPT (D) All of these
VREF stands for :
(ಹಿ) Varying Recirculated Flow (B) Variable Refrigerant Flow
(C) Varying Refrigerant Functions (D) None of these
The gap between the false ceiling and the main ceiling is referred as :
(മ) ஹே air duct (8) Plenum
(ಲ) Return air duct (D) Diffuser
During installation of split AC unit, what is the maximum vertical distance between
indoor and outdoor units ?
(ಹ) 20 feet (B) 30 feet ര 15 feet (D) 40 feet
Water pressure cut out switch is installed in :
(A) Cooling tower line (B) Condenser water line
€) Chilled water line (D) 50% ೫) ೫4 (೦0
For leak testing, maximum test pressure for split AC system is :
(A) 70 PSIG (B) 150 PSIG (© 100 6 (D) 200 56
Cylindrical and needle roller bearings are commonly found in :
(A) Fans (B) Rollerblades (C) கொடை (D) DC machines
Following are the methods of food preservation :
(ಹ) Dehydration (8) Hydration (ಲ) Canning (D) Both (A) and (C)
A motor has 4 poles, its RPM is :
(ಹಿ) 1500 ൫ 3000 © 750 (D) 500
Cooling performance test can only affectively done at ambient temperature above :
(ಹ) 60% ணை © 70°F (D) 75°F
067/2018 8 A
