Description : Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm. (A) 5 (B) 500 (C) 1000 (D) 2000
Last Answer : (A) 5
Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel
Last Answer : (B) Automobiles exhaust
Description : Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). (A) 0.002 (B) 0.2 (C) 1.2 (D) 4.8
Last Answer : (B) 0.2
Description : Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. (A) < 1 (B) 10-100 (C) 100-200 (D) 100-1000
Last Answer : (A) < 1
Description : TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. (A) 5 (B) 100 (C) 1000 (D) 2000
Description : Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million). (A) 50 (B) 1000 (C) 2000 (D) 5000
Last Answer : (D) 5000
Description : A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000
Last Answer : (D) 10000 to 100000
Description : Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). (A) Highly (B) Moderately (C) Extremely (D) Very extremely
Last Answer : (B) Moderately
Description : TLV of ozone (O3 ) and phosgene (COCl2 ) in air is __________ ppm. (A) 0.1 (B) 25 (C) 100 (D) 1000
Last Answer : (A) 0.1
Description : From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000
Description : Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ ppm. (A) 50 (B) 1000 (C) 5000 (D) 10000
Last Answer : (A) 50
Description : Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) (A) Acts as a green house gas thereby raising earth's ... (B) Causes asphyxia (C) Causes increase in sea level (D) Enhances the green house effect
Last Answer : (B) Causes asphyxia
Description : TLV of mercury in potable (drinking) water is about __________ ppm. (A) 0.001 (B) 0.1 (C) 1 (D) 5
Last Answer : (A) 0.001
Description : Methyl isocyanate (MIC) gas (TLV
Last Answer : (D) Very extremely
Description : Out of the following, TLV of __________ is maximum (about 500 ppm). (A) Carbon dioxide (B) Toluene (C) Carbon disulphide (D) Acetaldehyde
Last Answer : (A) Carbon dioxide
Description : TLV of lead for public sewer/waste water is about __________ ppm. (A) 1 (B) 25 (C) 150 (D) 650
Last Answer : (A) 1
Description : Out of the following, TLV of __________ is the minimum (about 0.02 ppm). (A) Phosgene (B) Bromine (C) MIC (Methyl isocyanate) (D) Ozone
Last Answer : (C) MIC (Methyl isocyanate)
Description : Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. (A) 1 (B) 50 (C) 5000 (D) 10000
Last Answer : (B) 50
Description : TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes (A) Skin disorder (B) Bronchitis (C) Bone disease (D) Cancer
Last Answer : (B) Bronchitis
Description : Maximum value of transaction for e-SBTR should be _________ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit
Last Answer : E. No limit Explanation: There is no maximum limit.
Description : Minimum value of transaction for e-SBTR should be _______ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit
Last Answer : D. Rs.5000 Explanation: Minimum value of transaction for e-SBTR should be Rs.5,000.
Description : The value of a single VPMO should not exceed Rs a) 500/- b) 2000/- c) 5000/- d) No limit
Last Answer : c) 5000/
Description : Tolerable limit of nitrogen oxides in air is __________ ppm. (A) 0.1 (B) 1 (C) 5 (D) 25
Last Answer : (C) 5
Description : Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m2°C. (A) 10-50 (B) 100-500 (C) 1000-1500 (D) 5000-15000
Last Answer : (D) 5000-15000
Description : VP article can be booked up to a) 2000 b) 5000 c) 20000 d) No limit
Last Answer : b) 5000
Description : Threshold limit value of copper in the atmospheric air is - (1) 0.001 mg/m3 (2) 0.01 mg/m3 (3) 1.0 mg/m3 (4) 5.0 mg/m3
Last Answer : (3) 1.0 mg/m3 Explanation: Inspirable copper dust takes a predominantly fibrous effect. The ALV of copper aerosol in the workplace atmosphere is 0.5 mg/m3, while the threshold limit value (TLV) is 1.0 mg/m3.
Description : If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. (A) 50 (B) 500 (C) 1000 (D) 3000 (i.e. 0.3%
Last Answer : (D) 3000 (i.e. 0.3%
Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood
Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen
Description : As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m3 .(μg-microgram) (A) 10 (B) 90 (C) 800 (D) 750
Last Answer : (B) 90
Description : Yield of blast furnace gas is about __________ Nm3 /ton of pig iron. (A) 300 (B) 2000 (C) 5000 (D) 10000
Last Answer : (B) 2000
Description : Calorific value of dry wood may be around __________ Kcal/kg. (A) 5 (B) 50 (C) 500 (D) 5000
Description : A minimum yearly deposit of ________ is required to open and maintain a PPF account, and a maximum deposit of _____. A. Rs. 500 and Rs 1.50 lakhs B. Rs. 1000 and Rs 2.50 lakhs C. Rs. 2000 and Rs 3.50 lakhs D. Rs. 5000 and Rs 4.50 lakhs
Last Answer : A. Rs. 500 and Rs 1.50 lakhs Explanation: A minimum yearly deposit of Rs. 500 is required to open and maintain a PPF account, and a maximum deposit of Rs.1.5 lakhs (as on Financial year 2015- ... Income Tax Act. The amount can be deposited in lump sum or in a maximum of 12 instalments per year.
Description : Fee for filing complaints before state commission above 50 lac and up to 1 crore is a) 5000 rupees b) 2500 rupees c) 4000 rupees d) 2000 rupees
Last Answer : c) 4000 rupees
Description : Fee for filing complaints before state commission above 20 lac and up to 50 lac is a) 5000 rupees b) 2500 rupees c) 4000 rupees d) 2000 rupees
Last Answer : d) 2000 rupees
Description : The population of a city in 2000 is 50,000. The average per decade of the previous records of population is 5000 and average percentage per decade is 20%. The population of the city based on geometrical increase method, in the year 2020 will be (A) 56,000 (B) 60,000 (C) 64,000 (D) 72,000
Last Answer : (D) 72,000
Description : TLV of aldrin in public water supply system is about __________ μg/litre. (A) 0.5 (B) 17 (C) 357 (D) 1097
Last Answer : (B) 17
Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050
Last Answer : (B) 42
Description : Beyond what concentration of H2S in air, acute danger to human life exists? (A) 50 ppm (B) 100 ppm (C) 300 ppm (D) 700 ppm
Last Answer : (D) 700 ppm
Description : Which of the following causes death by asphyxiation, if its presence inatmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? (A) Benzopyrene (B) Peroxyacetyl nitrate (C) Carbon monoxide (D) Sulphur dioxide
Last Answer : (C) Carbon monoxide
Description : Heating value of coal is approximately (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg
Last Answer : Ans: C
Description : Heating value of coal is approximately in power plant (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg.
Last Answer : 5000-6500 kcal / kg
Description : In a laboratory test run, the rate of drying was found to be 0.5 x 10 - 3 kg/m2 .s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry ... of the solids from 0.3 to 0.2 (dry basis) is (A) 2000 (B) 4000 (C) 5000 (D) 6000
Last Answer : (C) 5000
Description : The limit adopted in India for booking air insured letter is a) 20000 b) 5000 c) 10000 d) 100000
Last Answer : c) 10000
Description : Death may occur, when SO2 concentration in atmospheric air exceeds __________ ppm. (A) 20 (B) 100 (C) 400 (D) 200
Last Answer : (C) 400
Description : When the concentration of SO2 in air is greater than __________ ppm, it gives a pungent smell. (A) 0.01 (B) 0.1 (C) 1 (D) 4
Last Answer : (D) 4
Description : What is the max limit of value of money order which may issued for payment by a Postman and Gp D in urban area, , village postman ED agent a) 12000,5000,5000 b) 5000,8000,10000 b) 15000,10000,50000 d) None of these
Last Answer : a) 12000,5000,5000 b) 5000,8000,10000 b) 15000,10000,50000
Description : or Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. (A) 5 (B) 50 (C) 500 (D) 5000
Last Answer : (C) 500
Description : Transition length for a turbulent fluid entering into a pipe is around __________ times the pipe diameter. (A) 5 (B) 50 (C) 500 (D) 5000
Description : Upper safe limit of fluorine in water is (A) 0.4 ppm (B) 0.8 ppm (C) 1.2 ppm (D) 2 ppm
Last Answer : Answer : C
Description : The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)
Last Answer : Ans.2–4, < 2.5, < 10 and 10,000 ha