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Current Affairs January 2024

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4

A compact estimate about the amount of materials handling between various work stations is obtained from the

A. Gantt chart

B. Bin chart

C. String diagram

D. Travel chart

Correct Answer :

D. Travel chart


Related Questions

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Solute atoms which cause yield point phenomenon in mild steel are/is

A. Aluminium

B. Boron

C. Carbon

D. Nitrogen

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4

Copper deposits are found in India at the following location:

A. Kudremukh

B. Kolar

C. Khetri

D. Ramagundam

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4

Carbon is present in the form of __________ in grey cast iron.

A. Spheroids

B. Nodular aggregates of graphite

C. Flakes

D. Cementite

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4

Out of the following the refractive index is the highest for

A. Glass

B. Diamond

C. Brine

D. Kerosene

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4

To counteract the bad effects of strain hardening on a cold formed part, it must be

A. Tempered

B. Normalised

C. Annealed

D. Hardened

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4

Globular form of cementite is formed during the __________ process.

A. Spheroidising

B. Hardening

C. Annealing

D. Normalising

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4

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

A. Decrease gradually

B. Increase gradually

C. Increase rapidly

D. Remain constant

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4

Spark plug is provided in a/an

A. Engine having carburettor

B. Diesel engine

C. Compression ignition engine

D. Both (B) & (C)

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4

One of the methods of purification of leach liquor is ion exchange, which involves

A. Exchange between two liquid phases

B. Exchange between a gaseous phase and a liquid phase

C. Exchange between a liquid phase and an organic resin phase

D. Exchange between a solid phase and a gas phase

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4

When the wavelength of incident X-rays increases, the angle of diffraction

A. Decreases

B. Increases

C. Remain constant

D. Shows no systematic variation

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4

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

A. Pipe roughness & pipe diameter

B. Fluid velocity

C. Type of flowing fluid

D. Both 'b' & 'c'

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4

About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

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4

Bad odour in sanitary latrines is reduced by periodically sprinkling

A. Bleaching powder

B. Lime powder

C. Aluminium sulphate

D. None of these

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4

__________ is not used as a material of construction in thermocouples.

A. Alumel

B. Rhodium

C. Constantan

D. Duralumin

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4

Good design of the casing of a centrifugal pump aims at minimising the

A. Cavitation

B. Frictional losses

C. Kinetic energy loss

D. Static head

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4

Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

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4

__________ is the most suitable lubricant for drawing mild steel wires?

A. Kerosene

B. Water

C. Sodium stearate

D. Lime water

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4

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used?

A. Vapour locking

B. Hot starting

C. Spark plug fouling

D. All 'a', 'b' & 'c'

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4

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

A. ΔQ = 0, ΔS=0

B. ΔQ = 0, ΔS = +ve

C. ΔQ = 0, ΔS = -ve

D. ΔQ = +ve, ΔS= +ve

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4

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

A. 1

B. 10

C. 30

D. 50

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4

Lead is added to 60:40 brass primarily to improve

A. Machinability

B. Corrosion resistance

C. Fluidity

D. Strength

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4

Triple point of water is

A. 0°F

B. 492°R

C. 0°K

D. -273°C

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4

Diffusion co-efficient of a metal in a solid solution depends upon its

A. Composition

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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4

Electrometallurgy is not involved in the extraction of __________ from its ore.

A. Aluminium

B. Tin

C. Lead

D. Both (B) & (C)

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4

Austempering process results in the formation of __________ structure.

A. Martensitic

B. Bainitic

C. Carburised

D. Stressed

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4

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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4

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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4

Thermit welding uses the following energy source.

A. Electrical energy

B. Chemical energy

C. Energy of high velocity electrons

D. Heat generated by friction

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4

Calorific value of __________ are almost same.

A. Lignite & anthracite coal

B. Lignite & coal gas

C. Petrol & diesel

D. Coal gas & natural gas

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4

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

A.

B.

C.

D.