Description : The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively (A) Zero and zero (B) 0.5 kg/cm² and zero (C) 0.5 kg/cm² and 0.5 kg/cm² (D) 1.0 kg/cm² and 0.5 kg/cm²
Last Answer : (B) 0.5 kg/cm² and zero
Description : Which of the following is not the unit of pressure? (A) kg/cm (B) atm (C) kg/cm² (D) Newton
Last Answer : (D) Newton
Description : A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is (A) 400 kg/cm² (B) 4000 kg/cm² (C) (D)
Last Answer : Answer: Option B
Description : A supercritical boiler is one that operates above the pressure and temperature of following values a) 100 kg/cm² and 540°C b) 1 kg/cm² and 100°C c) 218 kg/cm² abs and 373°C d) 218 kg/cm² abs and 540°C
Last Answer : c) 218 kg/cm² abs and 373°C
Description : Tractive coefficient of a Crawler truck in loose soil is (a) Less than that of rubber tyre tractors (b) More than that of rubber tyre tractors (c) Same as that of rubber tyre tractors (d) Nearly zero
Last Answer : (d) Nearly zero
Description : The vapour pressure over the concave surface is (A) Less man the vapour pressure over the plane surface (B) Equal to the vapour pressure over the plane surface (C) Greater than the vapour pressure over the plane surface (D) Zero
Last Answer : Answer: Option A
Description : Modulus of elasticity of steel as per IS: 4561978 shall be taken as (A) 20 kN/cm² (B) 200 kN/cm² (C) 200 kN/mm² (D) 2 × 106 N/cm2
Last Answer : Answer: Option C
Description : In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be A less than unity B equal to unity C greater than unity D zero
Last Answer : C greater than unity
Description : A system is said to be overdamped if the damping factor is A. Equal to One B. Greater than One C. Less than one D. Equal to zero
Last Answer : B. Greater than One
Description : The system is said to be critically damped if the damping factor is A. Greater than one B. Equal to one C. Less than one D. Zero
Last Answer : B. Equal to one
Description : In vibration isolation system, if ω/ω n < 2, then for all values of damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero
Last Answer : c) greater than unity
Description : n vibration isolation system, if ω/ω n is less than √2 , then for all values of the damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero
Description : If the shear stress in a R.C.C. beam is (A) Equal or less than 5 kg/cm2 , no shear reinforcement is provided (B) Greater than 4 kg/cm2 , but less than 20 kg/cm2 , shear reinforcement is provided (C) Greater than 20 kg/cm2 , the size of the section is changed (D) All the above
Last Answer : Answer: Option D
Description : The volume of the gas held at constant pressure increases 4 cm² at 0°C to 5cm². What is the final pressure? a. 68.65ºC b. 68.25ºC c. 70.01°C d. 79.1ºC t2= T2–T1
Last Answer : 981 N
Description : The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is (A) Less than 1 (B) Equal to 1 (C) Greater than 1 (D) Equal to zero
Description : The camber of shoulders in water bound macadam roads is (A) Equal to the cross slope of pavement (B) Less than the cross slope of pavement (C) Greater than the cross slope of pavement (D) Zero
Description : Tyre pressure influences the (A) Total depth of pavement (B) Quality of surface course (C) Both the above (D) None of the above
Description : The Kellys are on a family outing. As they approach Bellvue Zoo, a tyre on their car is punctured by a metal object on the road. Using the spare, they drive to the next petrol station, ... A)cognitive dissonance B)a situational factor C)an internal search factor D)framing E)a cognitive factor
Last Answer : B)a situational factor
Description : A circular shaft subjected to torsion undergoes a twist of 10in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2and if modulus of rigidity G = 0.8 x 106then the radius of the shaft should be (a) p/8 (b) p/27 (c) 18/p (d) 27/p
Last Answer : (d) 27/p
Description : The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawlermounted and pneumatic tyre-mounted machines would be respectively (A) 80 and 90 (B) 90 and 80 (C) 85 and 75 (D) 75 and 83
Last Answer : (D) 75 and 83
Description : In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always (A) Zero (B) Less than 1 (C) 1 (D) Greater than 1
Last Answer : (C) 1
Description : When cost of production is zero, monopoly equilibrium will be established at a level where elasticity of demand curve is : (a) Greater than one (b) Equal to one (c) Less than one (d) Infinity
Last Answer : Equal to one
Description : Total internal reflection takes place if the light ray strikes the interface at an angle with what relationship to the critical angle? ∙ A. less than ∙ B. greater than ∙ C. equal to ∙ D. zero
Last Answer : ∙ B. greater than
Description : The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.
Last Answer : ANSWER: Z -- LESS THAN THE ELECTRON'S CHARGE.
Description : Find the unit in which car-tyre pressure is measured.
Last Answer : Find the unit in which car- tyre pressure is measured.
Description : Why people sometimes reduce the tyre pressure in icy conditions?
Last Answer : I don't understand the question
Description : The purpose of an accumulator is to: a. Relieve excess pressure b. Store fluid under pressure c. Store compressed gas for tyre inflation d. Remove air from the system
Last Answer : b. Store fluid under pressure
Description : State the effect of Inflation pressure on the life of the tyre. With a sketch explain tyre rotation procedure and its necessity.
Last Answer : Effects of Under-inflation: 1. Uneven tread wear, more wear at tyre sides. 2. Lack of directional stability. 3. Increased rolling resistance leading to increased fuel consumption. 4. ... axle, while the drive axle tyres are brought straight to the free rolling axle (without crossing).
Description : A car is travelling at 90 km/hour on a rough road where the coefficient of friction between the road and the tyre is 0.5. The distance the car will skid before stopping when the brakes are jammed suddenly would be a.127.4 m b.95.55 m c.63.7 m d.31.85 m e.90 m
Last Answer : c. 63.7 m
Description : A motor bike tyre has two punctures. The 1st puncture alone would have made the tyre flat in 27 minutes and the 2nd alone would have done it in 18 minutes. If air leaks out at a constant rate, how long does it take ... flat? a) 20 4/3 minutes b) 15 4/7 minutes c) 10 4/5 minutes d) 25 4/3 minutes
Last Answer : C 1st puncture made the tyre flat in 27 mins 2nd puncture made the tyre flat in 18 mins 1 minute’s work of both the punctures = (1/27 + 1/18) =(2+3)/54 =5/54 So, both the punctures will make the tyre flat in 54/5 mins =>10 4/5 minutes
Description : The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to (A) 2 kg/tonne (B) 6 kg/tonne (C) 9 kg/tonne (D) 20 kg/tonne
Last Answer : (C) 9 kg/tonne
Description : Skempton's pore pressure coefficient B for saturated soil is (A) 1 (B) Zero (C) Between 0 and 1 (D) Greater than 1
Description : When compared to ordinary Portland cement, Rapid hardening Portland cement contains ______________ amount of lime content [ A ] Equal [ B ] Greater [ C ] Lesser [ D ] Zero
Last Answer : [ B ] Greater
Description : For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory (A) Is always less than 1 (B) Is always greater than 1 (C) Can be more than 1 (D) Can be less than 1
Description : In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is A. Equal to 1 B. Equal to √2 C. Less than √2 D. Greater than √2
Last Answer : B. Equal to √2
Description : A system is said to be over damped if the damping factor for the system is A More than one B Less than one C Equal to one D Equal to zero
Last Answer : A More than one
Description : A system is said to be under damped if the damping factor for the system is A More than one B Less than one C Equal to one D Equal to zero
Last Answer : B Less than one
Description : The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to (A) Load factor (B) Plant factor (C) Utilisation factor (D) Both (A) and (B)
Description : Pick up the incorrect statement (A) The cross-sectional area of the welded member is effective (B) A welded joint develops strength of its parent metal (C) Welded joints provide rigidity (D) Welding takes more time than riveting
Last Answer : (D) Welding takes more time than riveting
Description : For an ordinary Portland cement (A) Residual does not exceed 10% when sieved through IS Sieve No. 9 (B) Soundness varies from 5 to 10 mm (C) Initial setting time is not less than 30 minutes (D) Compressive stress after 7 days, is not less than 175 kg/cm2
Last Answer : (C) Initial setting time is not less than 30 minutes
Description : Drag co-efficient in hindered settling is __________ that in free settling. (A) Less than (B) Equal to (C) Not necessarily greater than (D) Always greater than
Last Answer : (D) Always greater than
Description : In actual machines (A) Mechanical advantage is greater than velocity ratio (B) Mechanical advantage is equal to velocity ratio (C) Mechanical advantage is less than velocity ratio (D) Mechanical advantage is unity
Last Answer : (C) Mechanical advantage is less than velocity ratio
Description : The value of Poisson's ratio always remains (A) Greater than one (B) Less than one (C) Equal to one (D) None of these
Last Answer : (B) Less than one
Description : In ideal machines (A) Mechanical advantage is greater than velocity ratio (B) Mechanical advantage is equal to velocity ratio (C) Mechanical advantage is less than velocity ratio (D) Mechanical advantage is unity
Last Answer : (B) Mechanical advantage is equal to velocity ratio
Description : Uniformity coefficient of a soil is (A) Always less than 1 (B) Always equal to 1 (C) Equal to or less than 1 (D) Equal to or greater than 1
Last Answer : (D) Equal to or greater than 1
Description : Compressibility of sandy soils is (A) Almost equal to that of clayey soils (B) Much greater than that of clayey soils (C) Much less than that of clayey soils (D) None of the above
Last Answer : (C) Much less than that of clayey soils
Description : The total discharge from two wells situated near to each other is (A) Sum of the discharges from individual wells (B) Less than the sum of the discharges from individual wells (C) Greater ... of the discharges from individual wells (D) Equal to larger of the two discharges from individual wells
Last Answer : (B) Less than the sum of the discharges from individual wells
Description : Failure of a slope occurs only when total shear force is A) Equal to total shearing strength (B) Greater than total shearing strength (C) Less than total shearing strength (D) None of these