Kerala PSC Previous Years Question Paper & Answer

Title : ASSISTANT ENGINEER -MECHANICAL - SR FOR SC/ST
Question Code : A

Page:10


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER -MECHANICAL - SR FOR SC/ST' And exam conducted in the year 2015. And Question paper code was '038/2015/OL'. 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.

page: 10 out of 11
Excerpt of Question Code: 038/2015/OL

Question87:-A bench vice has the following type of thread
A:-metric thread
B:-acme thread
C:-buttress thread
D:-square thread
Correct Answer:- Option-B
Question88:-All the thread characteristics can be measured precisely with
A:-Thread gauge
B:-Screw pitch gauge
C:-Micrometer with anvil
D:-Tool room microscope
Correct Answer:- Option-D
Question89:-A body cooling from 80°C to 70°C takes 10 minutes when left exposed to environmental conditions. If the body
is to cool further from 70°C to 60°C under the same external conditions, it will take
A:-more than 10 minutes
B:-same time of 10 minutes
C:-less than 10 minutes
D:-none of these
Correct Answer:- Option-A
Question90:-Which of the following is considered as comfort condition in air-conditioning?
A:-15°C DBT and 40% RH
B:-20°C DBT and 60% RH
:-25°C DBT and 70% RH
D:-None of these
Correct Answer:- Option-D
Question91:-Mechanical strain gauges can measure
A:-static and dynamic strains
B:-dynamic strains only
C:-static strains only
D:-static and quasi-static strains
Correct Answer:- Option-D
Question92:-Efficiency of chimney draught is of the order of
A:-less than 1%
-3%

D:-8-10%
Correct Answer:- Option-A
Question93:-A step cone pulley is provided on a lathe to
A:-reverse the direction of spindle rotation
B:-change the spindle speed
C:-drive the lead screw
D:-give desired direction of movement of lathe carriage
Correct Answer:- Option-B
Question94:-Loam sand comprises of
A:-40% of clay and 10% moisture
B:-50% of clay and 10% moisture
C:-80% of clay and 20% moisture
D:-50% of clay and 18% moisture
Correct Answer:- Option-A
Question95:-In tool signature, nose radius is indicated
A:-in the middle
the beginning
C:-not indicated
D:-at the end
Correct Answer:- Option-D
Question96:-The primary tool force used in calculating the total power consumption in machining is
A:-radial force
-frictional force
C:-tangential force

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