Description : Construction joints are generally provided in concrete (A) Roads (B) Retaining walls (C) Lining of canals (D) All the above
Last Answer : Answer: Option D
Description : Stucco paints are suitable for (A) Stone masonry (B) Brick walls (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : Answer: Option C
Description : While designing an air entrained concrete (A) Water cement ratio is reduced (B) Proportion of aggregates is reduced (C) An allowance for the entrained air is made (D) All the above
Last Answer : (D) All the above
Description : The entrained air in concrete (A) Increases workability (B) Decreases workability (C) Decreases resistance to weathering (D) Increases stress
Last Answer : Answer: Option A
Description : A concrete using an air entrained cement (A) Has strength less than 10% to 15% (B) Has more resistance to weathering (C) Is more plastic and workable (D) Is free from segregation and bleeding
Description : The entrained air in concrete [ A ] Increases the strength [ B ] Decreases the resistance to weathering [ C ] Increases the workability [ D ] Decreases the workability
Last Answer : [ C ] Increases the workability
Description : It is a very hot day. You are in a special kitchen, in that there are no exits and the walls of this kitchen are thermally very well insulated. If you open the refrigerator door, the room will eventually: w) cool off. x) remain the same. y) heat up.
Last Answer : ANSWER: Y -- HEAT UP.
Description : Which of the following statements is correct? (a) Sulphate resisting cement is particularly used for canal lining. (b) Low heat cement should not be used for thin concrete structures. (c) Rapid hardening cement should not be used for massive concrete structures (d) All of the above
Last Answer : (d) All of the above
Description : Lime concrete is generally used for (A) Wall foundations (B) Flooring at ground level (C) Both (A) and (B) (D) Neither (A) nor (b)
Last Answer : Answer: Option B
Description : Increase in water content in a cement concrete (i) Increases workability (ii) Increases the strength [ A ] i [ B ] ii [ C ] both (i) and (ii) [ D ] neither (i) nor (ii)
Last Answer : [ A ] i
Description : Prime coking coal is always blended with medium or non- coking coal before carbonisation (A) To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls (B) Because, it alone produces unreactive coke (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : If the voids of a soil mass are full of air only, the soil is termed as (A) Air entrained soil (B) Partially saturated soil (C) Dry soil (D) Dehydrated soil
Last Answer : Option C
Description : Consider the following statements: 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elastic waves only. Which of the statements given above is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
Last Answer : Ans:(d)
Description : What are the lining of the inner walls of the heart's chambers called?
Last Answer : The answer is endocardium. Hope it helps!!
Description : Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder that cause wheezing due to (a) reduction in the secretion of surfactant by ... of bronchi and bronchioles (d) proliferation of fibrous tissues and damage of the alveolar walls.
Last Answer : (c) inflammation of bronchi and bronchioles
Description : .Tracheae of cockroach and mammal are similar in having (a) paired nature (b) noncollapsible walls (c) ciliated inner lining (d) origin from head.
Last Answer : (b) noncollapsible walls
Description : A person whose inner walls lining the main airways of the lungs become inflamed and who develops a dry cough for a few days, probably has a. Acute Bronchitis. b. Epiglottitis. c. Pneumonia. d. Chronic Bronchitis.
Last Answer : c. Pneumonia
Description : A 'dead front' switchboard is one _____________. A. without switches on it B. with insulated switches and no exposed terminals C. without circuit breakers D. without safety hand rails nor rubber mats
Last Answer : Answer: B
Description : Cermets are used for making (A) Cutting tools (B) Abrasives (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : The function of gypsum addition during cement making is to (A) Increase the density of cement (B) Decrease the cement setting rate (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (B) Decrease the cement setting rate
Description : High purity nitrogen is used in (A) Making protective gas (95% N2 + 5% H2 ) for annealing of cold rolled steel strip coils (B) Fire fighting purposes (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Which of the following statements comparing transistors and vacuum tubes is correct? A. Both transistors and vacuum tubes have a cathode that must be heated to give off electrons. B. A vacuum tube must ... flow. D. The anode of both transistors and vacuum tubes must be heated to give off electrons.
Description : Heat load in a cooling tower (A) Means the amount of heat thrown away (KCal/hr.) by the cooling tower (B) Is equal to the number of kg, of water circulated times the cooling range (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Nusselt number (for forced convection heat transfer) is a function of the __________ number. (A) Prandtl (B) Reynolds (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Economy of a multiple effect evaporator depends upon the (A) Heat balance consideration (B) Rate of heat transfer (C) Both (A) and (B) (D) Neither (A) nor (B
Last Answer : (A) Heat balance consideration
Description : Actual flame temperature is always lower than the adiabatic flame temperature, because there is (A) No possibility of obtaining complete combustion at high temperature (B) Always loss of heat from the flame (C) Both (A) and (B) (D) Neither (A) nor (B)
Description : Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan (A) With greater ... (B) Of increased diameter (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : For a constant volume process __________ by the system is used only to increase the internal energy. (A) Heat absorbed (B) Work done (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (B) Work done
Description : Refrigeration cycle (A) Violates second law of thermodynamics (B) Involves transfer of heat from low temperature to high temperature (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (B) Involves transfer of heat from low temperature to high temperature
Description : The heat capacities for the ideal gas state depend upon the (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (B) Temperature
Description : Cooling tower is a ______device a) Heat absorption b) heat rejection c) Both a and b c) neither a nor b
Last Answer : heat rejection
Description : In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively, (A) The ... reducing after 60 years (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b)
Description : Check valves are installed (A) On the delivery side of the pumping set (B) At the interconnections between polluted water system and a potable water system (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : A centrifugal pump is required to be primed before starting if it is located (A) At higher level than water level of reservoir (B) At lower level than water level of reservoir (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (A) At higher level than water level of reservoir
Description : shaft subjected to a bending moment M and a torque T, experiences (A) Maximum bending stress = 32M d 3 (B) Maximum shear stress = 16 T d 3 (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : The slope correction may be ignored if (A) The slope of the ground is less than 3° (B) To slope of the ground is say 1 in 19 (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b
Description : The Huygens telescope eye piece (A) Is aplanatic (B) Achromatic (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : The method of reversal (A) Is usually directed to examine whether a certain part is truly parallel or perpendicular to another (B) Makes the erroneous relationship between parts evident (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : Pick up the correct statement from the following: (A) The rate of change of bending moment is equal to rate of shear force (B) The rate of change of shear force is equal to rate of loading (C) Neither (a) nor (b) (D) Both (a) and (b
Last Answer : (D) Both (a) and (b
Description : The quantity of seepage of water through soils is proportional to (A) Coefficient of permeability of soil (B) Total head loss through the soil (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : When a cohesionless soil attains quick condition, it looses (A) Shear strength (B) Bearing capacity (C) Both (a) and (b) (D) Neither (a) nor (6
Description : Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2); (A) The angle of incidence is equal to the angle of refraction (B) The angle of ... r) is given by sin i (C) Both (a) and (b) (D) Neither (a) nor (b)
Description : Which one of the following statements regarding remote sensing is correct? (A) The interaction of the electromagnetic radiation with the target (B) The emission of electromagnetic radiation from the target (C) Both (a) and (b) (D) Neither (a) nor (b
Description : A volume of air at constant barometric pressure may be brought to dew point by (A) Increasing the temperature (B) Decreasing the temperature (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : Pick up the incorrect statement from the following: (A) At two meteorologically homogeneous stations, the average annual precipitation is same (B) If the average annual precipitation at two places is same these are ... homogeneous stations (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : An aggrading river is a (A) Silting river (B) Scouring river (C) Both silting and scouring river (D) Neither silting nor scouring river
Description : The safe length L of a valley curve for night travel is (A) 2S - (1.50 + 0.035 S)/N if L < S (B) NS²/(1.50 + 0.035 S) if L > S (C) Neither (a) nor (b) (D) Both (a) and (b