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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Dental Equipment Maintenance Technician' And exam conducted in the year 2023. And Question paper code was '220/2023'. 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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What is the shape of warning signs ?

A) Circular B) Triangular

C) Square of oblong D) Square

What is the ratio of 4 kg to 800 grams ?

A) 5:1 B) 4:8 C) 8:4 D) 2:4

How many millimetres are there in 12 inch ?

A) 30.48 mm B) 304.8 mm C) 3.048 mm D) 40.48 mm

பட. 20. 15

Divide : 31° 62°

4 3 1 2

22 22 = 25

A) 3 B) 2 C) 23 D) 3

What is the percentage of copper in the casting if the weight of copper is 42.3 kg

and weight of tin is 2.7 kg ?

A) Cu 98% 8) ೦96% ©) ०५ 94% 0) ०५ 92%

What is the length of copper wire, if the copper wire weights 8 kg, density of

copper is 8.9 g/cm® and cross-sectional area is 0.636 cm? ?

A) 1400.10 cm B) 1300.10 cm

C) 1313.33 cm D) 1413.33 cm

Two turners need three days to produce 20 pieces. How long does it takes for

6 turners to produce 30 such pieces ?

A) 2 days B) 2.5 days C) 1.5 days D) 2.25 days

A cylindrical tank 2 m diameter x 3.5 m deep is filled with petrol. Find the weight of

petrol in tonnes, assume density of petrol is 720 kg/m.

A) 7900.8 Tonnes B) 7912.8 Tonnes

C) 7952.8 Tonnes D) 7940.8 Tonnes

The lower limit of a dimension, stated as 23H7 in a drawing is

A) 23.70 B) 22.70 C) 23.00 D) 22.30

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