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You Are On Multi Choice Question Bank SET 811
40551. The kiln which may work throughout the year, is
(A): Clamp (B): none of these.
40552. The minimum compressive strength of 1st class bricks should be
(A): 75 kg/cm2 (B): 90 kg/cm2 (C): 100 kg/cm2 (D): 120 kg/cm2 (E): 130 kg/cm2.
40553. A volatile substance added to a paint to make its application easy and smooth, is known as
(A): base (B): solvent (C): vehicle (D): none to these.
40554. The percentage of water for normal consistency, is
(A): 5% to 15% (B): 10% to 25% (C): 15% to 25% (D): 20% to 30% (E): 25% to 35%.
40555. Who inaugurated the First Mega Food Park in Jharkhand on 15th Feb 2016?
(A): H.Ananthakumar (B): Harsimrat Kaur Badal (C): AnandGeethe (D): Narendra Singh Thomar
40556. The main ingredient of a good quality brick earth, is
(A): magnesia (B): lime (C): silica (D): alumina.
40557. Bitumen is generally obtained from
(A): organic material (B): synthetic material (C): petroleum product (D): coal.
40558. For one cubic metre of brick masonry, number of bricks required, is
(A): 400 (B): 425 (C): 450 (D): 500 (E): 550.
40559. The steel which contains fissures and cavities, is manufactured by
(A): Cementation process (B): Crucible process (C): Bessemer process (D): Open hearth process.
40560. Pick up the volcanic rock from the following:
(A): Granite (B): Dolerite (C): Basalt (D): All the above.
40561. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is
(A): right angles (B): 45° (C): 60° (D): parallel (E): None of these.
40562. The most durable varnish is
(A): water varnish (B): spirit varnish (C): turpentine varnish (D): oil varnish (E): none of these.
40563. Softer variety of steel may be obtained by
(A): Cementation process (B): crucible process (C): Bessemer process (D): Open hearth process.
40564. The World Radio Day is observed on
(A): 42967 (B): 42778 (C): 42851 (D): February 13
40565. Calcination of iron ores is done
(A): to remove moisture (B): to remove carbonic acid (C): by roasting in heaps (D): after dressing (E): all the above.
40566. Strength of cement concrete primarily depends upon
(A): quality of water (B): quantity of aggregate (C): quantity of cement (D): water-cement ratio.
40567. Rapid hardening cement contains
(A): Tri-calcium silicate (B): Tri-calcium aluminate (C): Tetra-calcium alumino-ferrite (D): Dicalcium silicate.
40568. Bitumen emulsion is
(A): a liquid containing bitumen in suspension (B): a paint (C): used as anti-corrosive paint (D): all the above.
40569. The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to
(A): grey cast iron (B): white cast iron (C): mottled cast iron (D): toughed cast iron.
40570. Jhumb bricks are
(A): under burnt (B): over burnt (C): kutcha (D): none of these.
40571. Plastic bitumen is generally used for
(A): road pavements (B): expansion joints (C): crack fillings (D): none to these.
40572. Which country will host the FINA World Aquatics Championship 2017?
(A): Japan (B): Hungary (C): Doha (D): Spain
40573. The commonly used thinner in oil paints, is
(A): naptha (B): turpentine (C): both and (D): neither nor (E): none the these.
40574. Cast iron
(A): is obtained by purifying pig iron (B): is manufactured in required shapes (C): may contain 2 to 5 per cent of carbon with other impurities (D): is remelted in a cupola furnace (E): all the above.
40575. Asbestos is
(A): corrugated sheet used for roofing (B): an incombustible fire proof material (C): an organic substance (D): a bad insulator for sound and heat (E): all the above.
40576. In a rock calcium carbonate predominates. State whether it is :
(A): Sillicious rock (B): Argillaceous rock (C): Calcareous rock (D): None of these.
40577. In order of increasing percentage of silica, the correct sequence is
(A): sandy clay, calcareous clay, pure clay (B): calcareous clay, pure clay, sandy clay (C): pure clay, sandy clay, calcareous clay (D): None of these.
40578. The rocks which are formed due to pouring of magma at the earth's surface are called
(A): Plutonic rocks (B): Hypabyssal rocks (C): Volcanic rocks (D): Igneous rocks
40579. Which state in India celebrate the ‘Raja Rani Musical Festival’?
(A): Jammu and Kashmir (B): Orissa (C): Mizoram (D): Nagaland
40580. Which is the first fully Solar Powered Educational Institute in India?
(A): Sir Aurobindo International Centre for Education (B): Indian Institute of Space Science and Technology (C): All India Institute of Medical Science (D): None of these
40581. Invar contains
(A): 12% of nickel (B): 24% of nickel (C): 30% to nickel (D): 36% of nickel.
40582. Based on flow quality, the sequence of pipes is
(A): A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes (B): C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes (C): C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes (D): None of these.
40583. The pigment used in paints for corrosive resistance, is
(A): white lead (B): ferrous oxide (C): zinc white (D): red lead (E): gypsum.
40584. A well seasoned timber may contain moisture up to
(A): 4 to 6% (B): 6 to 8% (C): 8 to 10% (D): 10 to 12%.
40585. The stones obtained by blasting are used as
(A): ballast in railways (B): aggregates for concrete (C): roadmetal (D): All the above.
40586. Distemper is
(A): a paint consisting of powdered chalk, pigments, and water (B): a water proofing agent (C): a paint consisting of coloured cement and water (D): a drying agent.
40587. Oil varnish generally consists of
(A): synthetic resin and spirit (B): oil, wax and resin (C): resin, oil and turpentine (D): spirit, oil and wax.
40588. Who scores 1000 runs in HT Banduri Cup Inter School Cricket Tournament conducted by Mumbai Cricket Association?
(A): Prithvi Shaw (B): Sarfaraz Khan (C): Arman Jaffer (D): Pranav Dhanawade
40589. The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
(A): radial shakes (B): star shakes (C): heart shakes (D): cup shakes.
40590. Sea sand used in structures causes
(A): dampness (B): efflorescence (C): disintegration (D): All of these.
40591. The compound of Portland cement which reacts immediately with water and also sets first is
(A): Tri-calcium silicate (B): Di-calcium silicate (C): Tri-calcium aluminate (D): Tetra calcium alumino ferrite.
40592. Refractory bricks resist
(A): high temperature (B): chemical action (C): dampness (D): all the above.
40593. When a brick is immersed in water for 24 hours and then dried, if
(A): no grey or white deposits appear on the surface, the brick is free from soluble salts (B): 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence (C): 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence (D): All the above.
40594. In arches, stratified stones are placed so that their planes are
(A): parallel (B): perpendicular (C): radial (D): none of these.
40595. The first royal order issued by Rani Gowri Lakshmibai to abolish slave trade in Travancore on
(A): 5th De1812 (B): 5th Nov.1812 (C): 25th De1812 (D): 25th Nov.1812
40596. The fire clay contains pure
(A): lime (B): oxide of iron (C): hydrated aluminium silicate (D): magnesium.
40597. Pick up the correct characteristic of Pyroxene from the following:
(A): It forms octagonal crystals (B): It converts to chlorine by hydration (C): Its density is 2.3 to 3.6 g/cm2 (D): Its hardness is 5 to 6 (E): All the above.
40598. For sanitary pipes and chemical stonewares,
(A): salt glazing is used (B): lead glazing is used (C): opaque glazing is used (D): None of these.
40599. The steel used for rails under heavy traffic and on sharp curves, is
(A): Nickel steel (B): Chrome steel (C): Magnese steel (D): Vanadium steel.
40600. The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick
(A): 20% (B): 15% (C): 10% (D): None of these.
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