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You Are On Multi Choice Question Bank SET 3273
163651. K.P. Keshava Menon is the founder of which popular news paper in Kerala :
(A): Deshabhimani (B): Kerala Kaumudi (C): Madhyamam (D): Mathrubhumi
163652. Which among the following is not the work of S.K. Pottekkad?
(A): Oru Deshathinte Katha (B): Kayar (C): Naadan Premam (D): Oru Theruvinte Katha
163653. The Lathe Centres are provided with standard taper known as :
(A): Brown and sharp taper (B): Morse taper (C): Seller’s taper (D): Brown taper
163654. The chuck used for setting up of heavy and irregular shaped work should be ?
(A): Four jaw independent chuck (B): Three jaw universal chuck (C): Magnetic chuck (D): Collet chuck
163655. The Chamfaring is an essential operation after :
(A): Boring (B): Rough turning (C): Knurling (D): Thread cutting
163656. Least count of steel rule is :
(A): .25 mm (B): .1 mm (C): .5 mm (D): .2 mm
163657. The heat treatment process for softening hardened steel is :
(A): Carburising (B): Normalising (C): Annealing (D): Tempering
163658. Steel containing 0.8 to 1.5% carbon is known as :
(A): Mild Steel (B): High Carbon Steel (C): Dead Mild Steel (D): Medium Carbon
163659. A lathe with four steps on the cone pulley and with back gears will have :
(A): Four direct speeds (B): Four indirect speeds (C): Four direct and four indirect speeds (D): Eight indirect speeds
163660. Least count of vernier caliper metric is :
(A): 0.02 mm (B): 0.01 mm (C): 0.00001 mm (D): 0.0004 mm
163661. For turning internal tapers, the suitable method is:
(A): by setting over the tail stock (B): by a form tool (C): by a taper turning attachment method (D): none
163662. The percentage of carbon in cast iron varies from :
(A): 0.1 to 0.5 (B): 0.5 to 1 (C): 1.7 to 4.5 (D): 0.2 to 3
163663. The correct order of increasing hot hardness of cuttingtool materials:
(A): Diamond, Carbide, High speed steel (B): Carbide, Diamond, High speed steel (C): High speed, Carbide, Diamond (D): None
163664. Americannational standard thread is :
(A): 58° (B): 65° (C): 47° (D): 60°
163665. A single point thread cutting tool should ideally have :
(A): Point angle (B): Zero rake angle (C): Positive rake angle (D): Negative rake angle
163666. The alloy, mainly used for corrosion resistance instainless is
(A): Manganese (B): Silicon (C): Carbon (D): Chromium
163667. The heat treatment process used for casting is:
(A): Normalising (B): Annealing (C): Tempering (D): Carburising
163668. The taper on the lathe spindle is :
(A): 2 to 20 (B): 3 to 20 (C): 1 in 20 (D): 4 in 20
163669. Tumbler gears in lathe are used to :
(A): Cut gears (B): Cut taper (C): Reduce the spindle speed (D): Give desired direction of movement to the lathe carriage
163670. In which, Coolant is used for Aluminium turning :
(A): Dry (B): Kerosene (C): Soda water (D): Lard oil
163671. The cutting speed for drilling copper with high speed;steel drill varies from
(A): 18 to 30 m/min (B): 8 to 15 m/min (C): 30 to 45 m/min (D): 10 to 30 m/min
163672. The blade of power saw is made of:
(A): Cast Iron (B): Aluminium (C): High speed steel (D): High carbon steel
163673. British association thread angles is :
(A): 37° (B): 27° (C): 57° (D): 47 1/2°
163674. The material commonly used for machine bodies is :
(A): Cast Iron (B): Aluminium (C): Brass (D): Mild Steel
163675. Acme screw thread angles is :
(A): 49° (B): 29° (C): 39° (D): 19°
163676. Which coolant is used for mild steel for Lapping
(A): Kerosene (B): Turpentine (C): Lard oil (D): Dry
163677. Which of the following material have maximummalleability?
(A): Soft steel (B): Copper (C): Cast iron (D): Lead
163678. Angle of B.S.W. thread is :
(A): 50° (B): 53° (C): 55° (D): 60°
163679. High speed steel temperature is :
(A): 900° C (B): 100° (C): 300° (D): 2600°
163680. What is cutting Feed’?
(A): Tool advance for 2 minute (B): Tool advance for 3 minute (C): Tool advance for 4 minute (D): Tool advance for one rotation
163681. What is lip angle?
(A): 20° to 40° (B): 30° to 50° (C): 60° to 80° (D): 80° to 120°
163682. An Alloy of copper, tin and zinc is known as :
(A): Brass (B): Gun metal (C): Bronze (D): Cast iron
163683. What is cutting speed?
(A): Tool advance for work in one minute (B): Tool advance for 3 minute (C): Tool advance for 2 minute (D): Tool advance for one rotation
163684. Discontinuous chips are formed during machining of:
(A): Brittle metals (B): Hard metals (C): Soft metals (D): Hard and soft metals
163685. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called:
(A): Cutting angle (B): Lip angle (C): Rake angle (D): Clearance angle
163686. The lower critical point for all steel is :
(A): 623° C (B): 723° C (C): 913° C (D): 523° C
163687. Combination central drill angle is :
(A): 55° (B): 118° (C): 29° (D): 60°
163688. Carbide tipped tools usually have :
(A): Any rake angle (B): Positive rake angle (C): Negative rake angle (D): No rake angle
163689. Hard and tough materials like cast iron should be turned at:
(A): Slow speed (B): High speed (C): Any speed (D): Very high speed
163690. Ceramic tools are fixed to tool body by :
(A): soldering (B): brazing (C): welding (D): clamping
163691. For machining a mild steel work piece using carbide tool, the maximum material will be removed at a temperature of:
(A): 200° C (B): 300° C (C): 175° C (D): 100° C
163692. Lathe centrers angles is :
(A): 55° (B): 65° (C): 60° (D): 700
163693. Crater wear is predominant in :
(A): Tungsten carbide tools (B): Carbon tool steels (C): High speed steel (D): Carbon tip tool
163694. Which type of tools are used on Lathe shapper and planer?
(A): Two point cutting tool (B): Three point cutting tool (C): Multi point cutting tool (D): Single point cutting tool
163695. Twist drill standered cutting angle is :
(A): 90° (B): 55° (C): 118° (D): 60°
163696. The swing diameter over the bed isthe height of the centre measuredbed of the lathe.
(A): Equal to (B): Twice (C): Thrice (D): One half
163697. The diamond tool material at temperature upto:
(A): 1650°C (B): 1300° C (C): 1200° C (D): 1400° C
163698. The chuck preferred for quick setting and accurate centering of a job is:
(A): Four jaw independent chuck (B): Collect chuck (C): Magnetic chuck (D): Three jaw universal chuck
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