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4

A push broach as compared to pull broach

A. Has less number of teeth

B. Is short and stocky

C. Removes less material for each pass of the tool

D. All of the above

Correct Answer :

D. All of the above


Related Questions

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In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.

A. Cross direction only

B. Longitudinal direction only

C. Both cross and longitudinal direction

D. Any direction

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4

The abrasive recommended for grinding materials of high tensile strength is

A. Silicon carbide

B. Aluminium oxide

C. Sand stone

D. Diamond

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Gear burnishing is a process for

A. Surface finishing

B. Undercut gears

C. Cycloidal gears

D. Removing residual stresses from teeth roots

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The cutting fluid mostly used for machining alloy steels is

A. Water

B. Soluble oil

C. Dry

D. Sulphurised mineral oil

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A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25mm. The percentage change in diameter is

A. 0

B. 2.07

C. 20.7

D. 41.4

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4

Which of the following statement is wrong as regard to down milling?

A. It can not be used on old machines due to backlash between the feed screw of the table and the nut.

B. The chips are disposed off easily and do not interfere with the cutting.

C. The surface milled appears to be slightly wavy.

D. The coolant can be poured directly at the cutting zone where the cutting force is maximum.

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4

A shaft has a dimension, φ9 +0.025⁺⁰⁰⁰⁹, the respective values of fundamental deviation and tolerance are

A. - 0.025, ±0.008

B. - 0.025, 0.016

C. - 0.009, ± 0.008

D. - 0.009, 0.016

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In gear hobbing

A. Only hob rotates

B. Only gear blank rotates

C. Both hob and gear blank rotates

D. Neither hob nor gear blank rotates

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4

Which of the following operations can be performed with milling cutters?

A. Cutting key ways on shafts

B. Cutting external screw threads

C. Cutting teeth of spur gears

D. All of these

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4

Threading is an operation of

A. Smoothing and squaring the surface around a hole

B. Sizing and finishing a small diameter hole

C. Producing a hole by removing metal along the circumference of a hollow cutting tool

D. Cutting helical grooves on the external cylindrical surface

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4

The in-feed grinding is used to

A. Produce tapers

B. Grind shoulders and formed surfaces

C. Grind long, slender shafts or bars

D. All of these

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4

What is the welding defect caused due to improper control and poor removal of slog between passes called?

A. Mismatch

B. Under fill

C. Crack

D. Porosity

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The broaching operation in which the work moves past the stationary tool is called

A. Pull broaching

B. Push broaching

C. Surface broaching

D. Continuous broaching

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4

The tool may fail due to

A. Cracking at the cutting edge due to thermal stresses

B. Chipping of the cutting edge

C. Plastic deformation of the cutting edge

D. All of these

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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

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4

A feed gear box for a screw cutting lathe is designed on the basis of

A. Geometric progression

B. Arithmetic progression

C. Harmonic progression

D. None of these

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4

A set of eight form relieved milling cutters for each module is provided to enable cutting of gears of different

A. Materials

B. Types of gears

C. Number of teeth

D. Width of gears

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4

The rake angle required to machine brass by high speed steel tool is

A.

B. 10°

C. 20°

D. 100°

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A single point tool has

A. Rake angle

B. Cutting angle

C. Lip angle

D. All of these

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4

What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?

A. Incomplete fusion

B. Lamellar tearing

C. Mismatch

D. Shrinkage void

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4

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

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An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as

A. Counter-boring

B. Grooving

C. Knurling

D. Facing

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What is the name of the device used in arc welding circuits for the purpose of modifying the rate of current change when the weld road is varied rapidly?

A. Reactor

B. Kerf

C. Inductor

D. Cone

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4

In a planer

A. Tool is stationary and work reciprocates

B. Work is stationary and tool reciprocates

C. Tool moves over stationary work

D. Tool moves over reciprocating work

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4

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

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When the cutting edge of the tool is dull, then during machining

A. Continuous chips are formed

B. Discontinuous chips are formed

C. Continuous chips with built-up edge are formed

D. No chips are formed

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Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling (D), Laser Cutting of Sheet Metal (LC), Milling (M), Punching in Sheet Metal (P), Spot Welding (SW)

A. AW, LC and M

B. AW, D, LC and M

C. D, LC, P and SW

D. D, LC, and SW

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4

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

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Which of the following statement is correct about nose radius?

A. It improves tool life

B. It improves the surface finish

C. Both (A) and (B)

D. None of these

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As tool and work are not in contact in EDM process

A. No relative motion occurs between them

B. No wear of tool occurs

C. No power is consumed during metal cutting

D. No force between tool and work occurs