Most of the plastics are safe to be used upto a maximum temperature of __________ °C. (A) 100 (B) 150 (C) 350 (D) 450

Most of the plastics are safe to be used upto a maximum temperature of
__________ °C.
(A) 100
(B) 150
(C) 350
(D) 450
by

1 Answer

Answer :

(B) 150
by

Related questions

The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. (A) 100 to 150 (B) 350 to 450 (C) 550 to 650 (D) 700 to 850

Description : The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. (A) 100 to 150 (B) 350 to 450 (C) 550 to 650 (D) 700 to 850

Last Answer : (B) 350 to 450

What is the range of tempering temperature (°C) for most of the materials? (A) 75-100 (B) 200-300 (C) 350-450 (D) 500-600

Description : What is the range of tempering temperature (°C) for most of the materials? (A) 75-100 (B) 200-300 (C) 350-450 (D) 500-600

Last Answer : (B) 200-300

Hot extrusion of aluminium is done in the temperature range of __________ °C. (A) 550-600 (B) 450-500 (C) 350-400 (D) 250-300

Description : Hot extrusion of aluminium is done in the temperature range of __________ °C. (A) 550-600 (B) 450-500 (C) 350-400 (D) 250-300

Last Answer : (C) 350-400

Optimum reaction temperature in steam reforming of naphtha is __________ °C. (A) 700 - 1000 (B) 300 - 450 (C) 1500-1700 (D) 100-200

Description : Optimum reaction temperature in steam reforming of naphtha is __________ °C. (A) 700 - 1000 (B) 300 - 450 (C) 1500-1700 (D) 100-200

Last Answer : (A) 700 - 1000

While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. (A) 2000 (B) 3000 (C) 4500 (D) 6000

Description : While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. (A) 2000 (B) 3000 (C) 4500 (D) 6000

Last Answer : (C) 4500

Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280

Description : Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280

Last Answer : (D) 250-280

Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. (A) 50 (B) 100 (C) 150

Description : Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. (A) 50 (B) 100 (C) 150

Last Answer : (C) 150

A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m2 °C. (A) 50 (B) 100 (C) 150 (D) 200

Description : A thin, flat & square plate measuring 2 m 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will ... heat transfer co-efficient is __________ W/m2 °C. (A) 50 (B) 100 (C) 150 (D) 200

Last Answer : (B) 100

Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. (A) 350 (B) 750 (C) 1050 (D) 1250

Description : Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. (A) 350 (B) 750 (C) 1050 (D) 1250

Last Answer : (B) 750

High speed steel tools retain their hardness upto a temperature of __________ °C.(A) 500 (B) 750 (C) 900 (D) 1100

Description : High speed steel tools retain their hardness upto a temperature of __________ °C. (A) 500 (B) 750 (C) 900 (D) 1100

Last Answer : (C) 900

High speed steel tools retain their hardness upto a temperature of __________ °C. (A) 500 (B) 750 (C) 900 (D) 1100

Description : High speed steel tools retain their hardness upto a temperature of __________ °C. (A) 500 (B) 750 (C) 900 (D) 1100

Last Answer : Option C

Flash point of motor gasoline may be around __________ °C. (A) 10 (B) 45 (C) 100 (D) 150

Description : Flash point of motor gasoline may be around __________ °C. (A) 10 (B) 45 (C) 100 (D) 150

Last Answer : (B) 45

Fermentation of molasses to produce ethyl alcohol is done at __________ °C. (A) 20 - 30 (B) < - 5 (C) 100 - 150 (D) 250 - 300

Description : Fermentation of molasses to produce ethyl alcohol is done at __________ °C. (A) 20 - 30 (B) < - 5 (C) 100 - 150 (D) 250 - 300

Last Answer : (A) 20 - 30

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. (A) 25 (B) 60-70 (C) 150-200 (D) 250-300

Description : Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. (A) 25 (B) 60-70 (C) 150-200 (D) 250-300

Last Answer : (B) 60-70

Temperature attained in soldering of metals is about __________ °C. (A) 150-300 (B) 400-500 (C) 650-800 (D) 1000-1100

Description : Temperature attained in soldering of metals is about __________ °C. (A) 150-300 (B) 400-500 (C) 650-800 (D) 1000-1100

Last Answer : (A) 150-300

Alpha iron is stable __________ °C. (A) Above 1403 (B) Upto 910 (C) Above 1800 (D) Between 910 & 1403

Description : Alpha iron is stable __________ °C. (A) Above 1403 (B) Upto 910 (C) Above 1800 (D) Between 910 & 1403

Last Answer : (B) Upto 910

Root formation is promoted in softwood cuttings under light intensity of __________ foot candles: a. 100-150 b. 150-200 c. 200-250 d. 250-350

Description : Root formation is promoted in softwood cuttings under light intensity of __________ foot candles: a. 100-150 b. 150-200 c. 200-250 d. 250-350

Last Answer : 150-200

Maximum root zone depth for Maize (a) 200-300 mm (b) 400-600 mm (c) 500-600 mm (d) 350- 450 mm

Description : Maximum root zone depth for Maize (a) 200-300 mm (b) 400-600 mm (c) 500-600 mm (d) 350- 450 mm

Last Answer : (b) 400-600 mm

According to IS: 456-2000 Maximum spacing of shear reinforcement in no case shall not exceed [ A ] 250 mm [ B ] 300 mm [ C ] 350 mm [ D ] 450 mm

Description : According to IS: 456-2000 Maximum spacing of shear reinforcement in no case shall not exceed [ A ] 250 mm [ B ] 300 mm [ C ] 350 mm [ D ] 450 mm

Last Answer : [ B ] 300 mm

High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit

Description : High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit

Last Answer : ANSWER: Z -- -350 DEGREES FAHRENHEIT  

As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Description : As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Last Answer : ANSWER: C

As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Description : As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Last Answer : ANSWER: C

As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Description : As the temperature of ice rises, the ice melts and its density _____. A. Decreases B. Remains constant C. Increases D. Increases upto 10 °C

Last Answer : ANSWER: C

Aniline point of high speed diesel may be about __________ °C. (A) 35 (B) 70 (C) 105 (D) 150

Description : Aniline point of high speed diesel may be about __________ °C. (A) 35 (B) 70 (C) 105 (D) 150

Last Answer : (B) 70

Molecular sieves are regenerated by heating to __________ °C. (A) < 150 (B) 200-330 (C) > 500 (D) > 1000

Description : Molecular sieves are regenerated by heating to __________ °C. (A) < 150 (B) 200-330 (C) > 500 (D) > 1000

Last Answer : (B) 200-330

Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). (A) 5-10 (B) 30-80 (C) 150-250 (D) 350-400

Description : Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). (A) 5-10 (B) 30-80 (C) 150-250 (D) 350-400

Last Answer : (B) 30-80

212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Description : 212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Last Answer : 100

Operating temperature and pressure in catalytic reforming is about (A) 1-5 Kgf/cm2 & 200°C (B) 15-45 Kgf/cm2 & 450-550°C (C) 50 - 75 kgf/cm2 & 600 - 800°C (D) 5-10 kgf/cm2 & 150 - 250°C

Description : Operating temperature and pressure in catalytic reforming is about (A) 1-5 Kgf/cm2 & 200°C (B) 15-45 Kgf/cm2 & 450-550°C (C) 50 - 75 kgf/cm2 & 600 - 800°C (D) 5-10 kgf/cm2 & 150 - 250°C

Last Answer : (B) 15-45 Kgf/cm2 & 450-550°C

37. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... e) 400 ppm in diesel and 150 ppm in petrol. f) 350 ppm in diesel and 180 ppm in petrol. g) 100 ppm in diesel and 50 ppm in petrol. h) 350 ppm in diesel and 150 ppm in petrol.

Description : 37. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... e) 400 ppm in diesel and 150 ppm in petrol. f) 350 ppm in diesel and 180 ppm in petrol. g) 100 ppm in diesel and 50 ppm in petrol. h) 350 ppm in diesel and 150 ppm in petrol.

Last Answer : h) 350 ppm in diesel and 150 ppm in petrol.

17. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... a) 400 ppm in diesel and 150 ppm in petrol. b) 350 ppm in diesel and 180 ppm in petrol. c) 100 ppm in diesel and 50 ppm in petrol. d) 350 ppm in diesel and 150 ppm in petrol.

Description : 17. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... a) 400 ppm in diesel and 150 ppm in petrol. b) 350 ppm in diesel and 180 ppm in petrol. c) 100 ppm in diesel and 50 ppm in petrol. d) 350 ppm in diesel and 150 ppm in petrol.

Last Answer : d) 350 ppm in diesel and 150 ppm in petrol.

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Description : Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. (A) 15-30 (B) 90-100 (C) 250-300 (D) < 0

Last Answer : (A) 15-30

The maximum delivery pressure of compressors can be upto __________ atmospheres. (A) 10 (B) 100 (C) 250 (D) 1000

Description : The maximum delivery pressure of compressors can be upto __________ atmospheres. (A) 10 (B) 100 (C) 250 (D) 1000

Last Answer : (D) 1000

The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be (A) Between 150 to 300 kg/cm2 (B) Between 350 to 600 kg/cm2 (C) Between 150 to 500 kg/cm2 (D) Below 200 kg/cm2

Description : The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be (A) Between 150 to 300 kg/cm2 (B) Between 350 to 600 kg/cm2 (C) Between 150 to 500 kg/cm2 (D) Below 200 kg/cm2

Last Answer : Answer: Option D

The maximum impedance of a 50 ohm transmission line with SWR of 3 is a) 50/3 b) 3/50 c) 150 d) 450

Description : The maximum impedance of a 50 ohm transmission line with SWR of 3 is a) 50/3 b) 3/50 c) 150 d) 450

Last Answer : c) 150

As per the Constitution of India, what is the limit prescribed for the number of members in the Legislative Assembly of a State? (1) 350 members (2) 400 members (3) 450 members (4) 500 members

Description : As per the Constitution of India, what is the limit prescribed for the number of members in the Legislative Assembly of a State? (1) 350 members (2) 400 members (3) 450 members (4) 500 members

Last Answer : (4) 500 members Explanation: The number of members ranges between 60 and 500.

What is the average weight of Human Heart? A. 300 gram (Answer) B. 350 gram C. 400 gram D. 450 gram

Description : What is the average weight of Human Heart? A. 300 gram (Answer) B. 350 gram C. 400 gram D. 450 gram

Last Answer : A. 300 gram (Answer)

Match List-I (crops) with List-II (water requirement) and select your answer from the code given below— List-I (a) Jowar (b) Soybean (c) Cotton (d) Groundnut List–II 1. 140 mm – 300 mm 2. 350 mm – 450 mm 3. 200 mm – 300 mm 4. 300 mm – 350 mm Codes : (a) (b) (c) (d) (A) 3 1 2 4 (B) 4 2 3 1 (C) 1 4 2 3 (D) 3 1 4 2

Description : Match List-I (crops) with List-II (water requirement) and select your answer from the code given below- List-I (a) Jowar (b) Soybean (c) Cotton (d) Groundnut List-II 1. 140 mm - 300 mm 2. 350 mm - 450 mm 3. 200 mm - 300 mm 4. 300 mm - ... (b) (c) (d) (A) 3 1 2 4 (B) 4 2 3 1 (C) 1 4 2 3 (D) 3 1 4 2

Last Answer : (C) 1 4 2 3

What is the electric field intensity at a distance of 20cm from a charge 2 X 10 -6 C in vacuum? a) 250,000 b) 350,000 c) 450,000 d) 550,000

Description : What is the electric field intensity at a distance of 20cm from a charge 2 X 10 -6 C in vacuum? a) 250,000 b) 350,000 c) 450,000 d) 550,000

Last Answer : c) 450,000

A certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in units of 50 msec, then channel load would be a. 4.25 b. 3.5 c. 350 d. 450

Description : A certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in units of 50 msec, then channel load would be a. 4.25 b. 3.5 c. 350 d. 450

Last Answer : b. 3.5

While designing a stair, the product of rise and going is approximately kept equal to (A) 350 (B) 420 (C) 450 (D) 500

Description : While designing a stair, the product of rise and going is approximately kept equal to (A) 350 (B) 420 (C) 450 (D) 500

Last Answer : Answer: Option B

Sum of tread and rise must lie between (A) 300 to 350 mm (B) 400 to 450 mm (C) 500 to 550 mm (D) 600 to 650 mm

Description : Sum of tread and rise must lie between (A) 300 to 350 mm (B) 400 to 450 mm (C) 500 to 550 mm (D) 600 to 650 mm

Last Answer : Answer: Option B

The compound interest accrued on an amount of Rs. 25,500 at the end of three years is Rs. 8,440.5.What would be the simple interest accrued on the same amount at the same rate in the same period? a) Rs. 5,450/- b) Rs. 8,750/- c) Rs. 4,350/- d) Rs. 3,650/- e) Rs. 7,650/-

Description : The compound interest accrued on an amount of Rs. 25,500 at the end of three years is Rs. 8,440.5.What would be the simple interest accrued on the same amount at the same rate in the same period? a) Rs. 5,450/- b) Rs. 8,750/- c) Rs. 4,350/- d) Rs. 3,650/- e) Rs. 7,650/- 

Last Answer : A = P + Interest = 25500 + 8440.5 = 33940.5 A = P + 1 + (R/100)^3 33940.5 = 25500 a + R/100)^3 a + R/100)^3 = 33940.5 / 25500 a + R/100)^3 = 1.331 a + R/100)^3 = ... R = 10% Simple Interest = Principle Rate Time / 100 = 25500 10 3/100 = 7650 Answer: e)

If the fare of Rajdhani Exp is Rs. 350 and that of Sapt Kranti Exp is Rs. 450 for all classes of passenger then what is the total income of both the trains during 2011 to 2013? 1) Rs. 95 crore 2) Rs. 98 crore 3) Rs. 90 crore 4) Rs. 89 crore 5) Rs. 92.5 crore

Description : If the fare of Rajdhani Exp is Rs. 350 and that of Sapt Kranti Exp is Rs. 450 for all classes of passenger then what is the total income of both the trains during 2011 to 2013? 1) Rs. 95 crore 2) Rs. 98 crore 3) Rs. 90 crore 4) Rs. 89 crore 5) Rs. 92.5 crore

Last Answer : 5) Rs. 92.5 crore

Traditionally, waste heat of low temperature range ________ has not been used for electricitygeneration despite efforts by ORC companies, mainly because the Carnot efficiency is rather low. a) 0-250 °C b) 0-150 °C c) 0-200 °C d) 0-120 °C

Description : Traditionally, waste heat of low temperature range ________ has not been used for electricitygeneration despite efforts by ORC companies, mainly because the Carnot efficiency is rather low. a) 0-250 °C b) 0-150 °C c) 0-200 °C d) 0-120 °C

Last Answer : 0-120 °C

Exposure to __________ accelerates the degradation of plastics. (A) Ultraviolet radiation (B) High atmospheric temperature (C) High ambient temperature (D) Damp atmosphere

Description : Exposure to __________ accelerates the degradation of plastics. (A) Ultraviolet radiation (B) High atmospheric temperature (C) High ambient temperature (D) Damp atmosphere

Last Answer : A) Ultraviolet radiation

Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure. Nitrobenzene will distil off __________ °C. (A) At < 100 (B) At > 210.6 (C) Between 100 and 210 (D) None of these

Description : Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure. Nitrobenzene will distil off __________ °C. (A) At < 100 (B) At > 210.6 (C) Between 100 and 210 (D) None of these

Last Answer : (A) At < 100

Flash point of most vegetable oils is about __________ °C. (A) 50 (B) 100 (C) 200 (D) 300

Description : Flash point of most vegetable oils is about __________ °C. (A) 50 (B) 100 (C) 200 (D) 300

Last Answer : (C) 200

Heavy water has maximum density at __________ °C. (A) 4 (B) 11.6 (C) 0 (D) 18.6

Description : Heavy water has maximum density at __________ °C. (A) 4 (B) 11.6 (C) 0 (D) 18.6

Last Answer : (B) 11.6

Consider a system with twelve magnetic tape drives and three processes P1, P2 and P3. Process P1 requires maximum ten tape drives, process P2 may need as many as four tape drives and P3 may need upto nine tape drives. Suppose that at time t1, process P1 is holding five tape drives, process P2 is holding two tape drives and process P3 is holding three tape drives. At time t1, system is in: (A) safe state (B) unsafe state (C) deadlocked state (D) starvation state

Description : Consider a system with twelve magnetic tape drives and three processes P1, P2 and P3. Process P1 requires maximum ten tape drives, process P2 may need as many as four tape drives and P3 may need upto nine ... , system is in: (A) safe state (B) unsafe state (C) deadlocked state (D) starvation state

Last Answer : Answer: B

Do you remember the many questions on safe/unsafe plastics for water bottles, food storage, Nalgene, etc?

Description : Do you remember the many questions on safe/unsafe plastics for water bottles, food storage, Nalgene, etc?

Last Answer : answer:Here's a summary; http://tinyurl.com/3jdkmj And one of many from ask-public: http://www.ask-public.com/disc/466/water-bottles-plastic-glass-stainless-steel-or/ Similar articles in all ... (the white waxy, shiny coating). Tomatoes and other acid foods may leach more severely. Buyer beware.