Manufacturing Processes Questions and Answers – 3
Manufacturing Processes Questions and Answers – 3
1-Ceramic cutting tools are made from
(A) Tungsten powder
(B) Aluminium powder
(C) Titanium oxide powder
(D) Iron carbide powder
2-The cutting angle becomes stronger when the cutting tool is provided with:
(A) Zero back rake angle
(B) Positive back rake angle
(C) Side rake angle
(D) Negative back rake angle
3-The fixtures are to:
(A) Hold and locate the work
(B) Control the cutting tools
(C) Hold the cutting tools
(D) Guide the cutting tools
4-For a turning operation, the ‘l’ is the length of job, ‘f’ is the feed rate and ‘n’ is the rpm of work. The cutting time for turning is calculated by:
(A) f / (l x n) minutes
(B) n / (f x l) minutes
(C) (f x n) / l minutes
(D) l / (f x n) minutes
5-Which of the following term has no connection with boring operation?
(A) Originating a hole
(B) Enlarge a hole
(C) Finish a hole
(D) Positioning a hole
6-Following tool has no connection with checking and measuring a screw thread.
(A) Screw pitch gauge
(B) Thread ring gauge
(C) Thread chasing dial
(D) Screw thread micrometer
7-A universal bevel protractor has an accuracy of:
(A) 1 minutes
(B) 5 minutes
(C) 10 minutes
(D) 24 minutes
8-The steel containing 0.8% carbon has a structure of
(A) Cementite
(B) Pearlite
(C) Martensite
(D) Ferrite
9-While heating steel, the ‘austenite’ structure is formed at 723°C, this temperature is called:
(A) Upper critical temperature
(B) Melting temperature
(C) Tempering point temperature
(D) Lower critical temperature
10-Tool maker’s button is used while boring for
(A) Accurate boring
(B) More finish
(C) Accurate roundness
(D) Accurate positioning the hole
ANSWERS:
1-(B), 2-(D), 3-(A), 4-(D), 5-(A), 6-(C), 7-(B), 8-(D), 9-(D), 10-(D)