Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN MACHINIST TECHNICAL EDUCATION KTM AND TSR' And exam conducted in the year 2014. And Question paper code was '150/2014'. 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.
45.
46.
47.
48.
49.
50.
51.
52.
Vertical milling operations are carried out by mounting the vertical milling attachment
on .
(A}Verbc'a]mill:'ngmad'un‘e (8) Slotting machine
(C) Universal milling machine (D) Horizontal milling machine
Precision grinders are used to maintain close tolerances upto
(ക) 0.020 mm (ஐ) 0.002 mm (€) 0.010 mm (D) 0.001 mm
The operation of sharpening a wheel is called
(ക) Truing (B) Aligning (C) Dressing (D) Balancing
Which one is not the cause for “glazing” of grinding wheel ?
(ക) Hard wheel in place of soft wheel
(8) Higher wheel speed than recommended
(C) Dirty coolant
(D) Improper dressing
The recommended depth of cut for roughing is
(^^) 0.015 to 0.050 mm (8) 0.015 to 0.030 mm
)© 0010 ட 0.020 mm 10) 0.020 to 0.040 mm
The rotary table is mainly used for the vertical milling machine to mill
(ക) Flat Surfaces (B) வன Surfaces
(೧) எனலும் യ) Serrations
In the BIS system 25 holes deviations are specified by
(A) Small letters (B) Small letters with number's
(C) Small letters with tolerance (D) Capital letters
Galvanizing process the components are dipped in
(A) Copper sulphate (8) Molten zinc
(೮) Sulphuric acid (D) Zinc chloride
150/2014 8 A