Description : Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. (A) 75 (B) 95 (C) 120 (D) 140
Last Answer : (B) 95
Description : Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. (A) 90 (B) 120 (C) 150 (D) 180
Last Answer : (B) 120
Description : As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise. (A) 110 (B) 85 (C) 60 (D) 45
Last Answer : (B) 85
Description : . Noise level inside a jet airliner in normal flight is about __________ decibels. (A) 80 (B) 100 (C) 125 (D) 150
Last Answer : (B) 100
Description : Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. (A) 85 (B) 105 (C) 125 (D) 145
Last Answer : (B) 105
Description : The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. (A) 60 (B) 90 (C) 105 (D) 120
Last Answer : (B) 90
Description : Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. (A) 20 (B) 60 (C) 90 (D) 120
Last Answer : (C) 90
Description : Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. (A) 25 (B) 50 (C) 80 (D) 120
Last Answer : (C) 80
Description : Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). (A) 1-2 (B) 5-10 (C) 15-20 (D) 25-30
Last Answer : (B) 5-10
Description : Noise level during normal conversation among men is about __________ decibels. (A) 10 (B) 45 (C) 90 (D) 115
Last Answer : (B) 45
Description : Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. (A) 3 (B) 30 (C) 7 (D) 70
Last Answer : (A) 3
Description : Noise level in a quiet private business office is about __________ decibels. (A) 25 (B) 50 (C) 70 (D) 85
Last Answer : (B) 50
Description : Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. (A) 105 (B) 135 (C) 160 (D) 185
Last Answer : (B) 135
Description : The normal content of protein bound iron (PBI) in the plasma of males is (A) 120–140 µg/100 ml (B) 200–300 µg/100 ml (C) 120–140 µg/100 ml (D) 200–300 µg/100 ml
Last Answer : Answer : A
Description : The subcritical steam generators operate between a pressure ranges of? (rra) 120-160 bar (rrb) 100-110 bar ( c) 130-180 bar (rrd) 140- 200 bar
Last Answer : ( c) 130-180 bar
Description : Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. (A) 50 (B) 70 (C) 90 (D) 140
Description : The normal cholesterol level in human blood is - (1) 80 - 120 mg% (2) 120 - 140 mg% (3) 140 - 180 mg% (4) 180 - 200 mg%
Last Answer : (4) 180 - 200 mg% Explanation: Cholesterol is defined as a waxy alcohol, fat-like substance that occurs naturally in all areas of the human body. 100-200 mg/dL is considered as normal for ... as the ratio of LDL to HDL cholesterol is considered a more important factor in prediction of disease risk.
Description : The normal cholesterol level in human blood is (1) 80 – 120 mg% (2) 120 – 140 mg% (3) 140 – 180 mg% (4) 180 – 200 mg%
Last Answer : 180 – 200 mg%
Description : For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of A. 100 cm B. 120 cm C. 140 cm D. 160 cm
Last Answer : ANS: D
Description : Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. (A) 35 (B) 75 (C) 95 (D) 105
Last Answer : (B) 75
Description : What bandwidth is needed to support a capacity of 128 kbps when the signal power to noise power ratio in decibels is 100? A. 19224 Hz B. 3853 Hz C. 19244 Hz D. 3583 Hz
Last Answer : B. 3853 Hz
Description : Normal fasting blood sugar level per 100 ml. of blood in man is - (1) 30 - 50 mg (2) 50 - 70 mg (3) 80 -100 mg (4) 120 -140 mg
Last Answer : (3) 80 -100 mg Explanation: The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. Glucose levels are usually lowest in the ... (termed the fasting level"), and rise after meals for an hour or two by a few millimolar.
Description : Normal fasting blood sugar level per 100 ml. of blood in man is (1) 30 - 50 mg (2) 50 - 70 mg (3) 80 -100 mg (4) 120 -140 mg
Last Answer : 80 -100 mg
Description : How many volts it take to charge an electric car? 1. 140 2. 150 3. 120 4. 200
Last Answer : 3. 120
Description : Number of taps on platform as per norms for recommended level of facilities (a) One for every coach (b) One for alternate coach* (c) One every 200 metres distance (d) At the discretion of DRM
Last Answer : (b) One for alternate coach*
Description : Nithish bought two purses which together cost him Rs.440. He sold one of the purse at a loss of 20% and the other one at a gain of 40%. The selling price of both purse are same. Then find out the cost price of both ... Rs.140 and Rs.300 c) Rs.170 and Rs.270 d) Rs.160 and Rs.280 e) None of the Above
Last Answer : 80/100 * x = 140/100 * y x = 7/4y x + y = 440 7/4 y + y = 440 y = 160 ; x = 280 Answer: d)
Description : Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. (A) 80-170 (B) 200-300 (C) 250-270
Last Answer : (A) 80-170
Description : Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner? (A) Output & fineness (B) Velocity (C) Both (A) & (B) (D) None of these
Last Answer : Option C
Description : Steam pressures usually used in thermal power plants are (A) 5 kg/cm2 to 10 kg / cm2 (B) 50 kg/cm2 to 100 kg / cm2 (C) 110 kg/cm2 to 170 kg / cm2 (D) 200 kg/cm2 to 215 kg / cm2
Last Answer : Ans: C
Description : Injection pressure of fuel nozzle in diesel engine is a) 30-45 kg/cm2 b) 50-100 kg/cm2 c) 120-200 kg/cm2 d) 200 kg/cm2
Last Answer : c) 120-200 kg/cm2
Description : Two columns 50 cm 50 cm and 60 cm 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t ... the foundation slab = 7.00 m (C) Area of footing slab = 11.00 m2 (D) All the above
Last Answer : Option D
Description : Normal range of serum chloride is (A) 24–27 mEq/L (B) 70–80 mEq/L (C) 100–106 mEq/L (D) 120–140 mEq/L
Last Answer : Answer : C
Description : The life span of RBc is of a. 80 days b. 100 days c. 120 days d. 140 days
Last Answer : 120 days
Description : The min and max size permissible for folded aerogramme is a) 100 X 140 & 120 X 120 b) 90 X 140 & 110 X 120 c) 80 X 140 & 100 X 120 d) None of the above
Last Answer : b) 90 X 140 & 110 X 120
Description : A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is (A) 100 years (B) 120 years (C) 140 years (D) 160 years
Last Answer : Answer: Option D
Description : On piles, the drop must be at least (A) 80 cm (B) 100 cm (C) 120 cm (D) 140 cm
Last Answer : Answer: Option C
Description : Two pipes can fill a tank in 20 and 24 minutes respectively and another pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank in gallons is: a)100 b)110 c)120 d)140
Last Answer : c)120
Description : The main reinforcement of a R.C. slab consists of 10 mm bars at 100 mm spacing; if it is desired to replace the 10 mm bars by 12 mm bars, then the spacing of 12mm bars should be (a) 120 mm (b) 140 mm (c ) 144 mm (d) 160mm
Last Answer : (c ) 144 mm
Description : .If the income of company A in 2009 was Rs.100 cr. Then what was the expenditure of company B in that year? a) Rs.150 cr. b) Rs.120 cr. c) Rs.140 cr. d) Can’t be determined e) None of these
Last Answer : d) Can’t be determined
Description : What is the amount of noise in a jet engine ?
Last Answer : The noise level of jet engine is 110 to 140 dB
Description : The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ----? A. 1120 ft B. 120 ft C. 56 ft (Answer) D. 100 ft E. None of these
Last Answer : C. 56 ft (Answer)
Description : Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or ... under test, both working at the same temperature over the same bandwidth and fed from the same source
Last Answer : C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signals
Description : Noise Pollution is measured in a) Hertz b) Fathoms c) Manometers d) Decibels.
Last Answer : d) Decibels.
Description : Sound becomes hazardous noise pollution at level a) Above 30 dB b) Above 80 dB c) Above 100 dB d) Above 120 dB.
Last Answer : b) Above 80 dB
Description : What loudness level in which permanent damage to hearing is possible? A. 120 dB B. 140 dB C. 130 dB D. 150 dB
Last Answer : D. 150 dB
Description : Q.61. CA Co manufactures a single product and has drawn up the following flexed budget for the year. 60% 70% 80% Rs Rs Rs Direct materials 120,000 140,000 160,000 Direct labour 90,000 105,000 120,000 Production ... activity? (a) Rs 330,300 (b) Rs 370,300 (c) Rs 373,300 (d) Rs 377,300
Last Answer : (b) Rs 370,300
Description : A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be (A) 100 (B) 200 (C) 320 (D) 160
Last Answer : (B) 200
Description : A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the new discharge will be __________ litres/minute. (A) 500 (B) 200 (C) 1000 (D) 750
Last Answer : (A) 500
Description : Dimensions of Postcards is a) Max 100 X 150 mm & min 80 X 140 mm b) Max 105 X 149 mm & min 90 X 140 mm c) Max 150 X 200 mm & min 70X 140 mm d) None of these
Last Answer : b) Max 105 X 149 mm & min 90 X 140 mm
Description : Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). (A) 5 (B) 25 (C) 50 (D) 100
Last Answer : (B) 25