Description : In railway tracks, a small gap is left between the rails _____. A. To permit the shrinkage of metal B. To save the cost of metal C. To allow for the expansion during heat D. None of the above
Last Answer : ANSWER: C
Description : A small gap is left at the joints of rails in a railway track to – (1) avoid the tracks being distorted due to seasonal temperature variation (2) avoid the heating of tracks to high temperature (3) control the speed of train (4) keep the rails equidistant
Last Answer : (1) avoid the tracks being distorted due to seasonal temperature variation Explanation: A small gap is left at the joints of rails in a railway track to provide space for the expansion of rail pieces when the temperature rises during summer.
Description : A small gap is left at the joints of rails in a railway track to (1) avoid the tracks being distorted due to seasonal temperature variation (2) avoid the heating of tracks to high temperature (3) control the speed of train (4) keep the rails equidistant
Last Answer : avoid the tracks being distorted due to seasonal temperature variation
Description : A gap is left between two rails of a railway track to accommodate ______ of the metal. (1) areal expansion (2) volume expansion (3) liner expansion (4) apparent expansion
Last Answer : (3) liner expansion Explanation: The volume of materials changes depending on current temperature. Usually heat makes them expand, and cold leads them to contract. To a first approximation, the ... linear expansion coefficient". It is the fractional change in length per degree of temperature change.
Description : A gap is left between two rails of a railway track to accommodate...... of the metal. (1) areal expansion (2) volume expansion (3) liner expansion (4) apparent expansion
Last Answer : liner expansion
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 : Fish plates are used in railway tracks to A. fix rails to the sleepers B. fix sleepers to the ground C. Join two rails D. join two coaches
Last Answer : C [Joint two rail] Explanation: In rail terminology, a fishplate, splice bar or joint bar is a metal bar that is bolted to the ends of two rails to join them together in a track.
Description : Why is a small gap left at the joint between two rails?
Last Answer : Answer: To permit expansion of rails due to heat generated by friction of a moving train.
Description : The function of an expansion joint in rigid pavements is to (A) Relieve warping stresses (B) Relieve shrinkage stresses (C) Resist stresses due to expansion (D) Allow free expansion
Last Answer : Answer: Option D
Description : Insufficient washing of sand grains in a rapid sand filter causes (A) Air binding (B) Shrinkage of filtering media (C) Mud balls (D) Expansion of filtering media
Last Answer : (C) Mud balls
Description : Pick up the correct statement from the following: (A) Construction joints are necessarily planned for their locations (B) Expansion joints are provided to accommodate thermal expansion (C) Construction joints are provided to control shrinkage cracks (D) All the above
Description : Hammers and railway rails are normally made of (A) Mild steel (B) Dead mild steel (C) Medium carbon steel (D) High carbon stee
Last Answer : (D) High carbon stee
Description : The rotor slots of a repulsion-type motor are generally skewed (placed nonparallel to the rotor axis) to _________. A. produce a constant starting torque B. permit a greater air gap with the starter C. permit a smaller air gap with the starter D. reduce eddy current losses
Last Answer : Answer: A
Description : Which process is used in welding the gaps in railway tracks ?
Last Answer : Gold Schmidt’s alumino thermi process
Description : Railway tracks are banked on curves so that (a) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train (b) Frictional force can be avoided between the tracks ... of the weight of the train (d) The train may not fly off in the opposite direction
Last Answer : Ans:(c)
Description : Railway tracks are banked on curves so that : (1) the train may not fall down inwards. (2) the weight of the train may be reduced. (3) necessary centripetal force may be obtained from the ... normal reaction due to track. (4) no frictional force may be produced between the wheels and the track.
Last Answer : (3) necessary centripetal force may be obtained from the horizontal component of the normal reaction due to track. Explanation: A vehicle moving at a fast speed on a straight rail/ road has ... it experiences an additional force, termed as centripetal force, acting towards the centre of the circle.
Description : Railway tracks are banked on curves so that - (1) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train (2) No frictional force may be produced between the ... the horizontal component of the weight of the train (4) The train may not fall down inwards
Last Answer : (3) Necessary centripetal force may be obtained from the horizontal component of the weight of the train
Description : Which of the following pair of linear equations represent the two parallel tracks of the railway line? a) x-2y-4=0 and 2x + 4y - 12 = 0 c) 2x + 4y -12 = 0 and x +2y-4=0 b) x +2y-4=0 and 2x + 4y +12 = 0 d) 2x + 4y + 12 = 0 and x-2y-4=0
Last Answer : c) 2x + 4y -12 = 0 and x +2y-4=0
Description : Railway tracks are banked on curves so that (1) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train (2) No frictional force may be produced between the ... the horizontal component of the weight of the train (4) The train may not fall down inwards
Last Answer : Necessary centripetal force may be obtained from the horizontal component of the weight of the train
Description : Which of the following is an example of fraudulent financial reporting? a. The treasurer diverts customer payments to his personal due, concealing hisactions by debiting an expense account, thus ... the company and neglects to return them; the cost is reported as a miscellaneous operating expense
Last Answer : Company management changes inventory count tags and overstates ending inventory, while understating cost of goods sold
Description : Why is there a gap between two sheets on a railway line ?
Last Answer : : The gap between the two sheets of rail liner is kept so that it does not expand and bend due to increase in heat.
Description : Which of the following statements are true of elevated-anion gap metabolic acidosis? A. Hypoperfusion from the shock state rarely produces an elevated anion gap. B. Retention of sulfuric and phosphoric ... E. Use of lactated Ringer's solution is inappropriate in the treatment of lactic acidosis.
Last Answer : Answer: BC DISCUSSION: An elevated anion gap may be produced by lactic acidosis from shock or by retention of inorganic acids from uremia. Lactated Ringer's solution rapidly corrects the ... . Bicarbonate loss from diarrhea and dilutional acidosis are non-anion gap types of metabolic acidosis
Description : Do car dealers allow learners permit drivers to test drive a car?
Last Answer : Doubtfull, but worth a shot.
Last Answer : Does not exist. Adolescents are not allowed to work at night.
Description : What is homophone and synonym for allow and permit?
Last Answer : Need answer
Description : A CPA in public accounting is prohibited from performing which of the following actions? a. Permit the publication of his being the author of a book. b. Be a party to a stratagem which permits a non ... his wife to acquire shares in a corporation's capital stock. d. Act as a stock and transfer agent
Last Answer : Be a party to a stratagem which permits a non-CPA to practice accountancy
Description : Shrinkage allowance on pattern is provided to compensate for shrinkage when the (A) Metal changes from liquid state to solid state at freezing temperature (B) Solid phase temperature drops ... to room temperature (D) Liquid metal temperature drops from pouring temperature to freezing temperature
Last Answer : (B) Solid phase temperature drops from freezing temperature to the room temperature
Description : The unit of measurement is per quintal for the following: (A) Collapsible gates with rails (B) Rolling shutters (C) Expanded metal wire netting (D) M.S. reinforcement of R.C.C. works
Last Answer : (D) M.S. reinforcement of R.C.C. works
Description : A man was found dead out in a field of snow. The only tracks that were left was a set of footprints between two parallel lines. Who should the police be looking for? -Riddles
Last Answer : A man in a wheelchair.
Description : Portland pozzolana cement possesses (A) Higher resistance to chemical attack (B) Lower heat of hydration (C) Lower shrinkage on drying (D) All the above
Description : Addition of pozzolana to ordinary Portland cement increases (A) Bleeding (B) Shrinkage (C) Permeability (D) Heat of hydration
Last Answer : Answer: Option B
Description : The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is: (a) Copper granules (b) Magnesium ribbon (c) Sodium pellets (d) Aluminum dust
Last Answer : (d) Aluminum dust
Description : How much would it cost to start a small crucible or foundry and a permit In Red Deer?
Last Answer : Sleep it off RDG. How would any of us know such things, and who is going to exert the effort to indulge your relentless flights of fancy?
Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (A) Liquid limit
Description : Pick out the wrong statement about nucleate boiling. (A) Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface (B) Surface temperature is greater than the saturation ... less than that in film boiling (D) The temperature is less than that of film boiling
Last Answer : (D) The temperature is less than that of film boiling
Description : On electrical generators one of the bearings is isolated from the bedplate. This insulating block should not be painted and must be kept clean to ___________. A. protect operating personnel from shock ... the prime mover as it warms up D. eliminate shaft currents to prevent damaging the bearings
Last Answer : Answer: D
Description : Calculate the labour turnover rate according to Separation method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%
Last Answer : (a) 4.55%
Description : Calculate the labour turnover rate according to replacement method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%
Last Answer : (b) 1.82%
Description : During root welding, which of the following would be the main cause of excess penetration? a) The root gap is too small in accordance with WPS b) Preheat not used c) The current is too high d) Root face is too large
Last Answer : c) The current is too high
Description : Pozzolana (or surkhi) is used in lime (A) To impart hydraulicity (B) To prevent shrinkage (C) To decrease the cost of construction (D) To decrease the setting time
Last Answer : Answer: Option A
Description : Sand is mixed with lime to a) Reduced cost b) Reduced setting time c) Prevent shrinkage and cracking* d) Improve visual appearance
Last Answer : c) Prevent shrinkage and cracking
Description : A partial denture that seats on the master cast but fails to seat correctly in the mouth is a result of, A. Contraction of the metal framework during casting B. Insufficient expansion of the investment material C. Distortion of impression D. Failure to block out unwanted undercuts
Last Answer : C. Distortion of impression
Description : As the wealth gap widens between the rich and the poor. Why do companies and corporations seem not concerned that before long there will be very few people left that can actually afford their goods and services?
Last Answer : answer:Short-term Because the people at the top know it's a pyramid scheme and already have their exit strategy in place once they are done looting everything. Long-term goods and services will ... access them it all comes toppling down. It's destined to fail eventually since resources are finite.
Description : After pouring concrete, what material should be used to fill the gap left by the forms?
Last Answer : answer:What's the purpose? Car park? I would vote for pea gravel. The ground will heave and swell and shrink, and the drainage might be better. If it were my gravel and concrete would throw ... topsoil as a carrier under the gravel. Daisies,bluets, black-eyed Susans and Shirley poppies might pop up.
Description : Old Mother Twitchett had but one eye, and a long tail which she let fly; and every time she went through a gap, a bit of her tail she left in a trap. What is she? -Riddles
Last Answer : A needle and thread.
Description : A 45-year-old solicitor had an onset of severe, crushing, substernal chest pain while attending a football match. He collapsed on his way to the car. Bystander Cardiorespiratory Resuscitation ... His oxyhemoglobin curve is shifted to the left 5) His pulmonary artery pressure is probably elevated
Last Answer : Answers-5 This young patient with severe central chest pain has probably arrested due to myocardial infarction and arrhythmia. His gases reveal high PO2 following 100% O2 but severe acidosis ... no left to right shunting and high pulmonary pressures would be expected after this arrest scenario.
Description : The following air gap readings were obtained from a horizontally mounted, bilge pump, induction motor, equipped with sleeve bearings: FWD END-AFT END, Top .045 - .049, Right Side .045 - .047, Left ... the aft bearing. C. The forward bearing should be lowered. D. The aft bearing should be lowered.
Description : The following air gap readings were obtained from a horizontally mounted, bilge pump, induction motor, equipped with sleeve bearings: FWD END -AFT END, Top .045 - .049 , Right Side .045 - .047, Left ... the aft bearing. C. The forward bearing should be lowered. D. The aft bearing should be lowered.