Description : Railway wagon axles are made by heating rods of iron embedded in charcoal powerder. The process is known as
Last Answer : Railway wagon axles are made by heating rods of iron embedded in charcoal powerder. The process ... hardening B. sheradising C. annelaing D. tempering
Description : Consider the following pairs of types of bearings and applications: 1. Partial Journal bearing................... Rail wagon axles 2. Full journal bearing ......................Diesel engine crank-shaft 3. Radial bearing ... matched? [IES-2000] (a) 1 alone (b) 1 and 2 (c) 2 and 3 (d) 1, 2 and 3
Last Answer : (b) 1 and 2
Description : As shown in the illustration, all 'MS' contacts are opened and closed by means of ________. EL-0073 A. operating coils B. magnets C. manual operation of the master switches D. solenoid switches
Last Answer : Answer: C
Description : Tractors can be generally classified by number of or wheels A. Axles C. Single Wheel
Last Answer : Axles
Description : The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is (A) H-pile (B) Pipe pile (C) Screw pile (D) Disc pile
Last Answer : Answer: Option C
Description : In soft clay of low bearing capacity, the type of steel pile generally used, is (A) H-pile (B) Screw pile (C) Disc pile (D) Pipe pile
Last Answer : Answer: Option B
Description : Stainless steel resists corrosion due to (A) Carbon (B) Sulphur (C) Vanadium (D) Chromium
Last Answer : Answer: Option D
Description : The steel used for rails under heavy traffic and on sharp curves, is (A) Nickel steel (B) Chrome steel (C) Manganese steel (D) Vanadium steel
Description : The yield strength and tensile strength of low carbon steel may be improved by the addition of (A) Manganese (B) Chromium (C) Nickel (D) Vanadium
Description : In a railway track, two rails are joined end to end with a gap in between them because – (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.
Last Answer : (4) accidents due to expansion in summer can be avoided. Explanation: The volume of materials changes depending on current temperature. Usually heat makes them expand, and cold leads them to contract. ... on the tracks. The same applies in many other fields of engineering, i.e. bridge building.
Description : In a railway track, two rails are joined end to end with a gap tin between them because? A. Steel can be saved B. Accidents due to contraction in winter can be avoided C. Air gaps are necessary ... of running train D. Accidents due to expansion in summer can be avoided (Answer) E. All of these
Last Answer : D. Accidents due to expansion in summer can be avoided (Answer)
Description : In a railway track, two rails are joined end to end with a gap in between thembecause (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.
Last Answer : accidents due to expansion in summer can be avoided.
Description : If metres is the distance between extreme axles of a vehicle, its gross load should not exceed (A) 1525 (L + 4.3) - 14.7 L2 (B) 1526 (L + 5.3) - 14.7 L2 (C) 1525 (L + 6.3) - 14.7 L2 (D) 1525 (L + 7.3) - 14.7 L2
Description : Permanent magnets are made of high carbon steel and (A) 15% of cobalt (B) 20% of cobalt (C) 35% of cobalt (D) 45% of cobalt
Description : Steel balls for ball bearings are generally made of __________ steel. (A) Cast (B) Stainless (C) Free carbon (D) Carbon chrome
Last Answer : (D) Carbon chrome
Description : Which of the following contains maximum percentage of carbon? (A) Boiler plate steel (B) Rail steel (C) Saws for cutting steel (D) Railway spring steel
Last Answer : (C) Saws for cutting steel
Description : Along high ways confirmatory route markers are generally fixed (A) Before the crossing on the left side (B) After the crossing on the left side (C) Before the crossing on the right side (D) After the crossing on the right side
Description : Is vanadium cutlery better than stainless steel?
Last Answer : Any cutlery containing vanadium will hold its edge longer but also be harder to sharpen when dull.
Description : __________ is added in stainless steel to prevent inter crystal corrosion. (A) Vanadium (B) Niobium (C) Chromium (D) Nickel
Last Answer : (B) Niobium
Description : Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten
Last Answer : (B) Nickel and chromium
Description : __________ can replace tungsten in high speed steel, (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum
Last Answer : (D) Molybdenum
Description : Addition of __________ in steel can help in increasing the depth of hardness. (A) Nickel (B) Chromium (C) Vanadium (D) Tungsten
Last Answer : (D) Tungsten
Description : Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium
Last Answer : (C) Tungsten
Description : Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium
Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives
Description : 18-4-1 high speed steel contains 18%, 4% and 1% respectively of (A) Tungsten, vanadium and chromium (B) Tungsten, chromium and vanadium (C) Vanadium, chromium and tungsten (D) Chromium, tungsten and vanadium
Last Answer : (B) Tungsten, chromium and vanadium
Description : Stainless steel contains (A) Chromium and nickel (B) Copper (C) Aluminium (D) Vanadium
Last Answer : (A) Chromium and nickel
Description : Addition of __________ in steel is helpful in increasing the depth of hardness. (A) Chromium (B) Sulphur (C) Vanadium (D) Tungsten
Last Answer : (A) Chromium
Description : __________ is the most important element, which controls the physical properties of steel. (A) Manganese (B) Silicon (C) Carbon (D) Vanadium
Last Answer : (C) Carbon
Description : __________ can replace tungsten in high speed steel. (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum
Last Answer : (C) Cobalt
Last Answer : (A) Molybdenum
Description : Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper
Last Answer : (A) Manganese
Description : All of the following alloying elements of steel increases hardness but sacrifice ductility, except (A) Nickel (B) Vanadium (C) Molybdenum (D) Chromium
Last Answer : (A) Nickel
Description : Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum (B) Chromium (C) Vanadium (D) Silicon
Last Answer : Option D
Last Answer : r: Option A
Description : Permanent magnets are generally made of
Last Answer : Alnico alloys
Description : electromagnets generally function as holding magnets. (a) Tractive (b) Portative (c) Either of the above (d) None of the above
Last Answer : (b) Portative
Description : The place where a railway line and a road cross each other at the same level, is known as A. Level Crossing B. Cross over C. Rail Junction D. Road Junction
Last Answer : A [Level Crossing] Explanation: A level crossing (also called a grade crossing, a railway crossing, or a railroad crossing) is a place where a railway line and a road meet each other on the same level.
Description : On Indian Railways a new level crossing can be provided with the approval of a) Chief engineer b) General Manager c) Commissioner of Railway Safety d) None of the above*
Last Answer : d) None of the above
Description : Speed breaker of approved design shall be provided on either side of level crossing at ------ within Railway boundary a) 5 meters b) 15 meters c) 20 meters* d0 30 meters
Last Answer : c) 20 meters
Description : Speed breaker has to be provided on road approaches of level crossing at maximum feasible distance within Railway boundary but not exceeding a) 10 meters b) 15 meters c) 20 meters* d) 200 meters
Last Answer : c) 20 meters*
Description : When the railway crosses a deep vally without perinial water,it is called……. a)Aqueduct * b)Cause way c)Via-duct d)River crossing
Last Answer : a)Aqueduct *
Description : What size socket do you need to change the wheel bearings on 1998 GMC Jimmy front and back axles?
Last Answer : Need to know if 2 wheel or 4 wheel drive for the front. Eitherway, there is no nut on the back axles.
Description : How are levers and wheels and axles different?
Last Answer : Feel Free to Answer
Description : Which of the following loading is considered for the design of axles ? (a) Bending moment only (b) Twisting moment only (c) Combined bending moment and torsion (d) Combined action of bending moment, twisting moment and axial thrust
Last Answer : (a) Bending moment only
Description : Spiral gear are used for transmitting power between two shaft Inclined at a. Right angle to each other and axes can intersect b. Right angle to each other and axes cannot intersect c. At angle slightly lesser or greater than 90 of axles can meet d. None of the above
Last Answer : c. At angle slightly lesser or greater than 90 of axles can meet
Description : Bearings used to support axles of traction coaches are (a) Ball bearings (b) Bush bearings (c) Roller bearings (d) Journal bearings
Last Answer : Bearings used to support axles of traction coaches are Roller bearings
Description : Residual magnetism in steel for magnets is increased by the addition of (A) Nickel (B) Cobalt (C) Tungsten (D) Chromium
Last Answer : (B) Cobalt
Description : Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. (A) Chromium (B) Nickel (C) Tungsten (D) Cobalt
Last Answer : (D) Cobalt
Description : Alinco, which is a aluminium-cobalt-nickel steel, is used for making (A) Surgical instruments (B) Powerful magnets (C) Chemical equipments (D) Boiler tubes
Last Answer : (B) Powerful magnets
Description : Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft ... hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials