Explore topic-wise MCQs in Engineering.

This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

2351.

Laterite is found in

A. U.P.
B. Punjab
C. West Bengal
D. Kerala.
Answer» B. Punjab
2352.

A stone is rejected if it absorbs water more than

A. 5%
B. 10%
C. 15%
D. 20%
E. 25%.
Answer» C. 15%
2353.

The most valuable timber may be obtained from

A. chir
B. shisham
C. sal
D. teak.
Answer» E.
2354.

Asbestos

A. is an excellant insulator for heat and electricity
B. is fire-proof and acid proof
C. has sp. gravity equal to 3.10
D. is smooth like glass and silk
E. All the above.
Answer» F.
2355.

The most commonly used synthetic abrasive is

A. aluminium carbide
B. boric acid
C. silicon
D. All of these.
Answer» E.
2356.

For light and ornamental casting, the most unsuitable pig iron, is

A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Mottled pig.
Answer» E.
2357.

Upto a maximum of 72% of iron, is available in

A. Magnetite
B. Red haemetite
C. Limonite
D. Siderite
E. Iron pyrites.
Answer» B. Red haemetite
2358.

Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as

A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Mottled pig
E. All the above.
Answer» B. Grey or foundry pig
2359.

Mild steel is used for

A. structural works in beams, joints and girders
B. small sized water pipes
C. columns and struts
D. none of these.
Answer» B. small sized water pipes
2360.

The melting point of silica is :

A. 1570 C
B. 1630 C
C. 1730 C
D. 1850 C.
Answer» D. 1850 C.
2361.

Lacquer is

A. oil paint
B. distemper
C. spirit varnish
D. none to these.
Answer» D. none to these.
2362.

Pick up the compound responsible for early strength of cement from the following:

A. Tetra-calcium alumino-ferrite
B. Tricalcium silicate
C. Tricalcium aluminate
D. Dicalcium silicate.
Answer» C. Tricalcium aluminate
2363.

The sequence of refractory materials according to increasing melting points is :

A. Dolomite, Magnesia, Bauxite, Chromite
B. Bauxite, Chromite, Dolomite, Magnesia
C. Magnesia, Bauxite, Dolomite, Chromite.
Answer» C. Magnesia, Bauxite, Dolomite, Chromite.
2364.

Veneering means

A. carving out designs on timber planks
B. chemically treating timber planks
C. thick layer of superior wood glued to inferior wood
D. thin layer of superior wood glued to inferior wood.
Answer» D. thin layer of superior wood glued to inferior wood.
2365.

Pick up the correct statement from the following: Method of sawing timber

A. tangentially to annual rings, is known as tangential method.
B. in four quarters such that each board cuts annual rings at angles not less than 45 , is known as quarter sawing method.
C. cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing.
D. all the above.
Answer» E.
2366.

The material generally not used as extender in paints, is

A. powdered silica
B. gypsum
C. talc
D. zinc white.
Answer» E.
2367.

Inhaling of fly-ash over a long period causes

A. silicosis
B. fibrosis of lungs
C. bronchitis
D. pneumonitis
E. All of these.
Answer» F.
2368.

Minimum required water cement ratio for a workable concrete, is

A. 0.30
B. 0.40
C. 0.50
D. 0.60
E. 1.0.
Answer» C. 0.50
2369.

Rocks formed due to alteration of original structure due to heat and excessive pressure are called

A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer» D. none of these.
2370.

The commonly used lime in white washing, is

A. white lime
B. fat lime
C. hydraulic lime
D. lime
E. quick lime.
Answer» C. hydraulic lime
2371.

Shingle is

A. decomposed laterite
B. crushed granite
C. water bound pebbles
D. air weathered rock.
Answer» D. air weathered rock.
2372.

Pick up the plutonic rock from the following:

A. Granite
B. Dolerite
C. Basalt
D. All the above.
Answer» B. Dolerite
2373.

The lime which contains mainly calcium oxide and slacks with water, is

A. fat lime
B. quick lime
C. hydraulic lime
D. poor lime
E. none of these.
Answer» C. hydraulic lime
2374.

Black marble is generally found in the district of

A. Jodhpur
B. Jaipur
C. Jabalpur
D. Jaisalmer
E. Pune.
Answer» C. Jabalpur
2375.

The most fire resistant paints are :

A. enamel paints
B. aluminium paints
C. asbestos paints
D. cement paints.
Answer» D. cement paints.
2376.

Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

A. cant
B. deal
C. baulk
D. strip.
Answer» D. strip.
2377.

Name the type of cement from the following for canal linings :

A. sulphate resisting cement
B. rapid hardening cement
C. quick setting cement
D. pozzuolana cement.
Answer» B. rapid hardening cement
2378.

The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:

A. 15, 75, 10
B. 75, 10, 15
C. 10, 15, 75
D. 10, 75, 15.
Answer» B. 75, 10, 15
2379.

Geologically, marble is known as

A. sedimentary rock
B. igneous rock
C. metamorphic rock
D. stratified rock.
Answer» D. stratified rock.
2380.

Quick lime (or caustic lime)

A. is obtained by the calcination of pure lime stone
B. has great affinity to moisture
C. is amorphous
D. All the above.
Answer» E.
2381.

Soundness test of cement determines

A. quality of free lime
B. ultimate strength
C. durability
D. initial setting
E. all the above.
Answer» B. ultimate strength
2382.

Cement is said to be of good quality if

A. its colour is not greenish grey
B. one feels cool by thrusting one's hand in the cement bag
C. it is not smooth when rubbed in between fingers
D. a handful of cement thrown into a bucket of water does not float
E. none of these.
Answer» F.
2383.

Plywood is made from

A. common timber
B. bamboo fibre
C. teak wood only
D. asbestos sheets.
Answer» D. asbestos sheets.
2384.

Cast steel is manufactured by

A. Cementation process
B. Crucible process
C. Bessemer process
D. Open hearth process.
Answer» C. Bessemer process
2385.

Clay and silt content in a good brick earth must be at least

A. 50%
B. 40%
C. 30%
D. 25%
E. 20%.
Answer» B. 40%
2386.

Seasoning is

A. a process of removing sap
B. creosoting
C. painting with sodium silicate
D. coating with tar.
Answer» B. creosoting
2387.

Bessemer process is used for the manufacture of

A. Pig iron
B. cast iron
C. Wrought iron
D. Steel.
Answer» E.
2388.

The portion of the brick without a triangular corner equal to half the width and half the length, is called

A. closer
B. queen closer
C. king closer
D. squint brick.
Answer» D. squint brick.
2389.

The compound of Portland cement which contributes to the strength after two to three years is

A. Tricalcium silicate
B. Di-calcium silicate
C. Tricalcium aluminate
D. Tetracalcium alumino ferrite.
Answer» C. Tricalcium aluminate
2390.

Dry rot

A. cracks the timber
B. reduces the strength of timber
C. reduces the timber to powder
D. shrinks the timber
E. spoils the appearance of timber.
Answer» D. shrinks the timber
2391.

For slaking of 10 kg of CaO, the theoretical amount of water is

A. 2.2 kg
B. 1.5 kg
C. 3.2 kg
D. None of these.
Answer» D. None of these.
2392.

Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as

A. quick setting cement
B. rapid hardening cement
C. white cement
D. low heat Portland cement.
Answer» D. low heat Portland cement.
2393.

The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called

A. Cementation process
B. crucible process
C. Bessemer process
D. Open hearth process.
Answer» B. crucible process
2394.

The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

A. radial shakes
B. heart shakes
C. wind cracks
D. twisted fibres.
Answer» D. twisted fibres.
2395.

Pick up correct statement from the following:

A. Fibre boards are used for thermal and acoustic control
B. Fibre boards are used for light weight standing members
C. Fibre boards are obtained by impregnating a resin product on fibres
D. all the above.
Answer» E.
2396.

Quartzite, a metamorphic stone is

A. hard
B. brittle
C. crystalline
D. compact
E. All the above.
Answer» F.
2397.

Quick setting cement is produced by adding

A. less amount of gypsum in very fine powdered form
B. more amount of gypsum in very fine powdered form
C. aluminium sulphate in very fine powdered form
D. pozzolana in very fine powdered form
E. none of these.
Answer» D. pozzolana in very fine powdered form
2398.

Duco is one of the patent forms of

A. emulsion paints
B. plastic paints
C. bituminous paints
D. aluminium paints
E. cellulose paints.
Answer» F.
2399.

The type of steel used for precision levelling staff, is

A. Titanium steel
B. Carbon steel
C. Invar
D. Stainless steel.
Answer» D. Stainless steel.
2400.

The normal curing period for lime mortar, is:

A. one day
B. 3 days
C. 7 days
D. 10 days
E. 14 days.
Answer» D. 10 days