FINAL ANSWER KEY

Question Paper Code: 45/2019/01.
Category Code: 163/2018
Exam: Junior Instuctor (Plumber)
Medium of Question: English
Date of Test 03-10-2019
Department Industrial Training Department
Alphacode A
Question1:-The water closet having an integral part of trap S and P type out let have a water seal size of......
A:-25 mm
B:-50 mm
C:-75 mm
D:-100 mm

Correct Answer:- Option-C
Question2:-Which type of tap is used for hot and cold water pipe line in a system .....?
A:-Stop cock
B:-2 or 3 in mixer tap
C:-one in one mixer
D:-Direct mix of the O HT
Correct Answer:- Option-B
Question3:-Collar joint shall be finished of with a fillet sloping at a surface angle of .....
A:-15°
B:-25°
C:-35°
D:-45°
Correct Answer:- Option-D
Question4:-Sewer pipe may have to be laid under the condition of .....
A:-Cushion
B:-Trench
C:-Length
D:-Threading
Correct Answer:- Option-B
Question5:-A device used in kitchens serving hotels dinning rooms club houses and restaurants is .....
A:-Grease basin
B:-Yard basins
C:-Garage basin
D:-Oil catch basin
Correct Answer:- Option-A

Question6:-In a hot water system expansion / vent pipes are installed on the cylinder and boiler because they.....

A:-Prevent air locks
B:-Stop build up of lime
C:-Supply cold water
D:-Release excess steam and water
Correct Answer:- Option-D
Question7:-The pump attached with impeller and pump is .....
A:-Mono block pump
B:-Jet pump
C:-Air lift pump
D:-Rotary pump
Correct Answer:- Option-A
Question8:-For cutting thin tubing the most suitable pitch of the hack saw blade is .....
A:-1.8 mm
B:-0.8 mm
C:-1.4 mm
D:-.1 mm
Correct Answer:- Option-B
Question9:-The hose pipe for the oxygen line is .....