Density of high density polythene is about __________ gm/c.c. (A) 1.18 (B) 1.05 (C) 0.95 (D) 0.99

Density of high density polythene is about __________ gm/c.c.
(A) 1.18
(B) 1.05
(C) 0.95
(D) 0.99
by

1 Answer

Answer :

(C) 0.95
by

Related questions

Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

Description : Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

Last Answer : (D) 0.91

Low pressure Zeigler process of polythene manufacture (A) Employs a pressure of 30 kgf/cm2 (B) Achieves an yield of 95-98% based on ethylene (C) Produces very low density polythene (D) Does not use any catalyst for polymerisation

Description : Low pressure Zeigler process of polythene manufacture (A) Employs a pressure of 30 kgf/cm2 (B) Achieves an yield of 95-98% based on ethylene (C) Produces very low density polythene (D) Does not use any catalyst for polymerisation

Last Answer : (B) Achieves an yield of 95-98% based on ethylene

Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2 . Which of the following polymers has the maximum film elongation (of the order of 100%)? (A) Water impermeable cellophane(B) Polythene(C) Cellulose acetate(D) Teflon

Description : Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2 . Which of the following polymers has the maximum film elongation (of the order of 100%)? (A) Water impermeable cellophane (B) Polythene (C) Cellulose acetate (D) Teflon

Last Answer : (B) Polythene

Purity of electrical grade aluminium should be ≥ __________ percent. (A) 95 (B) 99.5 (C) 85 (D) 90

Description : Purity of electrical grade aluminium should be ≥ __________ percent. (A) 95 (B) 99.5 (C) 85 (D) 90

Last Answer : (B) 99.5

Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5

Description : Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5

Last Answer : (C) 95

__________ polythene is most prone to stress-cracking (A) High density (B) Low density (C) Cross-linked (D) Linear low density

Description : __________ polythene is most prone to stress-cracking (A) High density (B) Low density (C) Cross-linked (D) Linear low density

Last Answer : (A) High density

Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Description : Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Last Answer : (B) 135

The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be (A) y (B) 0.95 y (C) 1.05 y (D) 1.8 y

Description : The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be (A) y (B) 0.95 y (C) 1.05 y (D) 1.8 y

Last Answer : (A) y

At what percentage (by volume) of alcohol composition, it forms anazeotrope with water?(A) 90(B) 91.5(C) 95(D) 99

Description : At what percentage (by volume) of alcohol composition, it forms anazeotrope with water? (A) 90 (B) 91.5 (C) 95 (D) 99

Last Answer : (C) 95

Catalyst used in the production of high density polythene by low pressure Ziegler process is(A) Aluminium triethyl activated with TiCl4(B) Platinum(C) Molybdenum(D) Nickel

Description : Catalyst used in the production of high density polythene by low pressure Ziegler process is (A) Aluminium triethyl activated with TiCl4 (B) Platinum (C) Molybdenum (D) Nickel

Last Answer : (A) Aluminium triethyl activated with TiCl4

Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is (A) 7 kgf/cm2 and 70 °C (B) 1000 kgf/cm2 and 100°C (C) 7 kgf/cm2 and 700°C (D) 1 kgf/cm2 (gage) and 70°C

Description : Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is (A) 7 kgf/cm2 and 70 °C (B) 1000 kgf/cm2 and 100°C (C) 7 kgf/cm2 and 700°C (D) 1 kgf/cm2 (gage) and 70°C

Last Answer : (A) 7 kgf/cm2 and 70 °C

Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Description : Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Last Answer : (D) More flexible

Zeigler process (A) Produces high density polythene(B) Uses no catalyst(C) Produces low density polythene(D) Employs very high pressure

Description : Zeigler process (A) Produces high density polythene (B) Uses no catalyst (C) Produces low density polythene (D) Employs very high pressure

Last Answer : (A) Produces high density polythene

Automobile steering wheels are normally made of (A) Cellulose acetate(B) Cellulose nitrate(C) PVC(D) High density polythene

Description : Automobile steering wheels are normally made of (A) Cellulose acetate (B) Cellulose nitrate (C) PVC (D) High density polythene

Last Answer : (A) Cellulose acetate

Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane

Description : Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane

Last Answer : (A) Polystyrene

Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Last Answer : (A) Sulphuric acid (10%) at room temperature

Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). (A) One fourth (B) One third (C) Half (D) One eighth

Description : Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). (A) One fourth (B) One third (C) Half (D) One eighth

Last Answer : (C) Half

After accounting for SDA, the net gain of energy from 25 gm of carbohydrates is about (A) 70 kcal (B) 95 kcal (C) 100 kcal (D) 105 kcal

Description : After accounting for SDA, the net gain of energy from 25 gm of carbohydrates is about (A) 70 kcal (B) 95 kcal (C) 100 kcal (D) 105 kcal

Last Answer : Answer : B

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

How can you rid non-response bias from a 95 confidence interval for the population proportion a) use t b) make CI 99 c) make CI 80 d) Increase n by 250 and use an SRS for those remaining e) none?

Description : How can you rid non-response bias from a 95 confidence interval for the population proportion a) use t b) make CI 99 c) make CI 80 d) Increase n by 250 and use an SRS for those remaining e) none?

Last Answer : The answer is e) none. You cannot rid non-response bias.

How can you rid non-response bias from a 95 confidence interval for the population proportion a) use t b) make CI 99 c) make CI 80 d) Increase n by 250 and use an SRS for those remaining e) none?

Description : How can you rid non-response bias from a 95 confidence interval for the population proportion a) use t b) make CI 99 c) make CI 80 d) Increase n by 250 and use an SRS for those remaining e) none?

Last Answer : The answer is e) none. You cannot rid non-response bias.

My ex wife owe over $20,000.00 in back taxes. Years owed 95,98,99, and 2000.I recently filed this missing years and now have a fairly accurate assessment of what we owe. Unable to pay without filing Chapter 7 or 13.Income is stretched to the limit. ?

Description : My ex wife owe over $20,000.00 in back taxes. Years owed 95,98,99, and 2000.I recently filed this missing years and now have a fairly accurate assessment of what we owe. Unable to pay without filing Chapter 7 or 13.Income is stretched to the limit. ?

Last Answer : If she is your ex-wife, you probably aren't liable for her back taxes. Usually, your legal separation agreement will stipulate that you are each responsible for your own taxes. If so, I would think you're off the hook for this.

Water content of sewage is about A. 90 % B. 95 % C. 99 % D. 9.9 %

Description : Water content of sewage is about A. 90 % B. 95 % C. 99 % D. 9.9 %

Last Answer : ANS: D

Water comprises approximately ____ percent of cleaning and sanitizing solutions. a. 80 to 89 c. 90 to 95 b. 95 to 99 d. 75 to 85

Description : Water comprises approximately ____ percent of cleaning and sanitizing solutions. a. 80 to 89 c. 90 to 95 b. 95 to 99 d. 75 to 85

Last Answer : b. 95 to 99

Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99

Description : Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99

Last Answer : (2) 95 

Give one example of each for low density polythene and high density polthene.

Description : Give one example of each for low density polythene and high density polthene.

Last Answer : Ans: LDP. Squeze bottle and toys  HDP. Buckets, dustbin, bottles.

Addition polymerisation is not involved in the manufacture of (A) Low density polythene (B) Poly vinyl chloride (C) Polystyrene (D) Polyhexamethylene adipamide

Description : Addition polymerisation is not involved in the manufacture of (A) Low density polythene (B) Poly vinyl chloride (C) Polystyrene (D) Polyhexamethylene adipamide

Last Answer : (D) Polyhexamethylene adipamide

Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3 /min) of density 800 kg/m3 and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately (A) 32 (B) 37 (C) 45 (D) 50

Description : Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3 /min) of density 800 kg/m3 and specific heat of ... mean temperature difference in °C is approximately (A) 32 (B) 37 (C) 45 (D) 50

Last Answer : (A) 32

In dry land weeder coverage is ha/day a. 0.05 b. 0.07 c. 0.1 d. 0.18

Description : In dry land weeder coverage is ha/day a. 0.05 b. 0.07 c. 0.1 d. 0.18

Last Answer :  0.05

6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? (A) 100% (B) 95% (C) 75% (D) 20%

Description : 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? (A) 100% (B) 95% (C) 75% (D) 20%

Last Answer : (B) 95%

Calculate (1/10)18 - (1/10)20 = ? (a) 99/1020 (b) 99/10 (c) 0.9 (d) none of these

Description : Calculate (1/10)18 - (1/10)20 = ? (a) 99/1020 (b) 99/10 (c) 0.9 (d) none of these

Last Answer : (a) 99/1020

Given the following data pairs (x, y), find the regression equation. (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6, 14.31), (7, 13.99), (8, 14.88), (9, 18.04), (10, 20.70) a. y = 0.490 x - 0.053 b. y = 2.04 x c. y = 1.98 x + 0.436 d. y = 0.49 x

Description : Given the following data pairs (x, y), find the regression equation. (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6, 14.31), (7, 13.99), (8, 14.88), (9, 18.04), (10, 20.70) a. y = 0.490 x - 0.053 b. y = 2.04 x c. y = 1.98 x + 0.436 d. y = 0.49 x

Last Answer : c. y = 1.98 x + 0.436

A person writes all the numbers from 0 to 99. The number of times digit 3 will be written is (A) 18 (B) 19 (C) 20 (D) 21

Description : A person writes all the numbers from 0 to 99. The number of times digit 3 will be written is (A) 18 (B) 19 (C) 20 (D) 21

Last Answer : Answer: C

Hydrated density of HD lipoproteins is (A) 0.94 gm/ml (B) 0.94–1.006 gm/ml (C) 1.006–1.063 gm/ml (D) 1.063–1.21 gm/ml

Description : Hydrated density of HD lipoproteins is (A) 0.94 gm/ml (B) 0.94–1.006 gm/ml (C) 1.006–1.063 gm/ml (D) 1.063–1.21 gm/ml

Last Answer : Answer : D

Hydrated density of (HD) lipoproteins is (A) 0.94 gm/ml (B) 0.94-1.006 gm/ml (C) 1.006-1.063 gm/ml (D) 1.063-1.21 gm/l

Description : Hydrated density of (HD) lipoproteins is (A) 0.94 gm/ml (B) 0.94-1.006 gm/ml (C) 1.006-1.063 gm/ml (D) 1.063-1.21 gm/l

Last Answer : Answer : B

A straight wire of length 0.20 m moves at a steady speed of 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is A. 0.5 V B. 0.06 V C. 0.05 V D. 0.04 V

Description : A straight wire of length 0.20 m moves at a steady speed of 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is A. 0.5 V B. 0.06 V C. 0.05 V D. 0.04 V

Last Answer : 0.06 V

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Description : If the cohesive force (c), is 1.5 t/m2 , the density ) of the soil is 2.0 t/m3 , factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of a slope, is (A) 5 metres (B) 8 metres (C) 10 metres (D) 12 metres

Last Answer : (C) 10 metres

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Last Answer : (B) Dividing by density (gm/c.c)

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

Last Answer : (B) 11.6

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Last Answer : (B) PVC

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