PROVISIONAL ANSWER KEY

Question Paper Code: 45/2019/0L

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 .....7
A:-Stop cock
B:-2 or 3 in mixer tap
C:-one in one mixer
D:-Direct mix of the OHT
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
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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
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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 ‏گا ۲۸5 نام‎
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 0126615 .....
A:-1.8 mm

Correct Answer:- Option-B
Question9:-The hose pipe for the oxygen line s .....