Download PDF
Free download in PDF Production Engineering Objective Type Questions & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
Sprue in casting refers to
[A]
Vertical passage
[B]
Riser
[C]
Gate
[D]
Runner
(22)
Which of the following operation is first performed?
[A]
Boring
[B]
Drilling
[C]
Spot facing
[D]
Tapping
(23)
The casting defect caused by the erosion of sand
[A]
Misrun
[B]
Drop
[C]
Wash
[D]
Rat tail
(24)
Ceramic cutting tools are
[A]
Brittle and have low bending strength
[B]
Available in the form of tips
[C]
Made by cold pressing of aluminium oxide powder
[D]
All of these
(25)
Which of the following gating ratio represents pressurized gating systems?
[A]
1 : 1: 2
[B]
1 : 2 : 1
[C]
1 : 2 : 3
[D]
1 : 3 : 3
(26)
In a shaper, the length of stroke is increased by
[A]
Increasing the centre distance of bull gear and crank pin
[B]
Decreasing the centre distance of bull gear and crank pin
[C]
Increasing the length of the arm
[D]
Decreasing the length of the slot in the slotted lever
Answer: Increasing the centre distance of bull gear and crank pin
(27)
Most commonly used materials cast by using hot-chamber die casting include
[A]
Lead
[B]
Tin
[C]
Zinc
[D]
All of these
(28)
Spot facing is
[A]
Localised machining of a component
[B]
Machining of a spot to fit other parts
[C]
Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut
[D]
A spot prepared on shaper or milling machine
Answer: Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut
(29)
A shim is
[A]
A treatment given to a surface to prevent rusting
[B]
A dull corner on a shaft
[C]
A thin piece of sheet metal used between mating parts to provide the proper distance
[D]
A surface on which bearings are fitted
Answer: A thin piece of sheet metal used between mating parts to provide the proper distance
(30)
Quill is
[A]
A tool used in milling machine to cut T-slots
[B]
A holding device used on planers
[C]
Curring a blind key way on an object
[D]
A steel tube in the head of some machine tools that encloses the bearings and rotating spindle on which are mounted the cutting tools
Answer: A steel tube in the head of some machine tools that encloses the bearings and rotating spindle on which are mounted the cutting tools
31
Necking is
[A]
Machining a groove around cylindrical shaft
[B]
Drilling a hole in a plate
[C]
Hole drilled for riveting
[D]
Preparation of surface for brazing
Answer: Machining a groove around cylindrical shaft
32
Burr is
[A]
Unmachined portion of work piece
[B]
Boundary between finished and unifinished portion on a work piece
[C]
A marking or work piece to identify for correct position on a work piece
[D]
Sharp edge remaining on the metal after curring, stamping or machining
Answer: Sharp edge remaining on the metal after curring, stamping or machining
33
Buffing is
[A]
A process of electroplating
[B]
Covering a metal part with soft materials to prevent damage
[C]
An finishing operation in broaching
[D]
The process of bringing out the luster of metal
Answer: The process of bringing out the luster of metal
34
Angle plate is
[A]
Used for holding angular jobs in milling machine.
[B]
Used for cutting angles on jobs on shaper
[C]
Cast iron jig used to hold work in a vertical position of layout or machining
[D]
Used for measurement of angles
Answer: Used for measurement of angles
35
The size of a lathe is expressed by
[A]
Gross weight of lathe
[B]
Diameter of chuck
[C]
Maximum speed of chuck
[D]
Swing of lathe
36
Magna flux is
[A]
A non-destructive inspection technique that makes use of magnetic field and magnetic particles to locate flaw in materials
[B]
An instrument using ultrasonic techniques for crack detection
[C]
An instrument used for inspection of weldings
[D]
An instrument used for precision measurements using magnetism and flux density
Answer: A non-destructive inspection technique that makes use of magnetic field and magnetic particles to locate flaw in materials
37
A half nut is
[A]
Damaged nut
[B]
Nut manufactured in parts
[C]
Nut with half the standard pitch
[D]
Mechanism that locks the lathe carriage to the lead screw for thread cutting
Answer: Mechanism that locks the lathe carriage to the lead screw for thread cutting
38
Gang milling is
[A]
Process of cutting gears
[B]
Milling process for generating hexagonal surfaces
[C]
Process in which two or more cutters are used simultangeously
[D]
High speed milling
Answer: Process in which two or more cutters are used simultangeously
39
A flycutter is used on
[A]
Lathe
[B]
Shaper
[C]
Milling machine
[D]
Slotter
40
Lathe bed is made of
[A]
Mild steel
[B]
Cast steel
[C]
Pig iron
[D]
Close grain cast iron
Answer: Close grain cast iron
Please share this page