Vital Production Engineer Interview Preparation Guide Download PDF
Production Engineer Frequently Asked Questions in various Production Engineer job Interviews by interviewer. The set of questions here ensures that you offer a perfect answer posed to you. So get preparation for your new job hunting
52 Production Engineer Questions and Answers:
Table of Contents:
3 :: Which of the following statement is incorrect with reference of lathe cutting tools?
A. The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
B. The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
C. The heel is that part of the tool which is shaped to produce the cutting edges and face
D. The base is that surface of the shank which bears against the support and takes tangent pressure of the cut
C. The heel is that part of the tool which is shaped to produce the cutting edges and face
4 :: The velocity of tool relative to the work piece is known as cutting velocity.
A. True
B. False
A. True
5 :: In ultra-sonic machining, the metal is removed by:
A. using abrasive slurry between the tool and work
B. direct contact of tool with the work
C. maintaining an electrolyte between the work and tool in a very small gap between the two
D. erosion caused by rapidly recurring spark discharges between the tool and work
A. using abrasive slurry between the tool and work
8 :: The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is:
A. carbide, ceramic, cermet, borazon
B. ceramic, carbide, borazon, cermet
C. cermet, carbide, ceramic, borazon
D. borazon, ceramic, carbide, cermet
C. cermet, carbide, ceramic, borazon
9 :: Larger end cutting edge angle __________ tool life.
A. increases
B. decreases
C. does not effect
A. increases
10 :: In hot machining, tool is made of:
A. tungsten carbide
B. brass or copper
C. diamond
D. stainless steel
A. tungsten carbide
11 :: The different spindle speeds on a lathe form:
A. arithmetical progression
B. geometrical progression
C. harmonical progression
D. any one of these
B. geometrical progression
13 :: Lapping is an operation of:
A. making a cone-shaped enlargement of the end of a hole
B. smoothing and squaring the surface around a hole
C. sizing and finishing a small diameter hole
D. producing a hole by removing metal along the circumference of a hollow cutting tool
C. sizing and finishing a small diameter hole
15 :: In the relation VT(n) = C, the value of n for carbide tools is:
A. 0.1 to 0.2
B. 0.20 to 0.25
C. 0.25 to 0.40
D. 0.40 to 0.55
B. 0.20 to 0.25
16 :: The machining of titanium is difficult due to:
A. high thermal conductivity of titanium
B. chemical reaction between tool and work
C. low tool-chip contact area
D. none of these
C. low tool-chip contact area
17 :: In up milling, the thickness of chip is:
A. minimum at the beginning of the cut and maximum at the end of the cut
B. maximum at the beginning of the cut and minimum at the end of the cut
C. uniform throughout the cut
D. none of these
A. minimum at the beginning of the cut and maximum at the end of the cut
18 :: A left hand tool on a lathe cuts most efficiently when it travels.
A. from left to right end of the lathe bed
B. from right to left end of the lathe bed
C. with the help of a compound slide
D. across the bed
A. from left to right end of the lathe bed
19 :: The lead screw of a lathe has __________ threads.
A. single start
B. double start
C. multi-start
D. any one of these
A. single start
20 :: Crater wear occurs mainly on the:
A. nose part, front relief face and side relief face of the cutting tool
B. face of the cutting tool at a short distance from the cutting edge only
C. cutting edge only
D. front face only
B. face of the cutting tool at a short distance from the cutting edge only
21 :: Gear lapping is an operation:
A. after heat treatment
B. prior to heat treatment
C. for gear reconditioning
D. none of these
A. after heat treatment
22 :: The method of grinding used to produce a straight or tapered surface on a workpiece, is:
A. internal cylindrical grinding
B. form grinding
C. external cylindrical grinding
D. surface grinding
C. external cylindrical grinding
23 :: In oblique cutting system, the maximum chip thickness occurs at the middle.
A. Correct
B. Incorrect
B. Incorrect
24 :: A drill considered as a cutting tool having zero rake, is known as a:
A. flat drill
B. straight fluted drill
C. parallel shank twist drill
D. tapered shank twist drill
B. straight fluted drill
25 :: Which of the following statement is wrong about ultra-sonic machining?
A. It is best suited for machining hard and brittle materials.
B. It cuts materials at very slow speeds.
C. It removes large amount of material.
D. It produces good surface finish
C. It removes large amount of material.
