The amount of benzene present in pure Benzol is about __________ percent. (A) 30 (B) 50 (C) 70 (D) 90

The amount of benzene present in pure Benzol is about __________
percent.
(A) 30
(B) 50
(C) 70
(D) 90
by

1 Answer

Answer :

(C) 70
by

Related questions

The conversion of caprolactam in the above case is about __________ percent. (A) 25 (B) 50 (C) 70 (D) 90

Description : The conversion of caprolactam in the above case is about __________ percent. (A) 25 (B) 50 (C) 70 (D) 90

Last Answer : (D) 90

P2O5 content in triple superphosphate is about __________ percent. (A) 42-50 (B) 15-20 (C) 85-90 (D) 70-75

Description : P2O5 content in triple superphosphate is about __________ percent. (A) 42-50 (B) 15-20 (C) 85-90 (D) 70-75

Last Answer : (A) 42-50

A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. (A) 10-15 (B) 30-40 (C) 70-80 (D) 90-100

Description : A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. (A) 10-15 (B) 30-40 (C) 70-80 (D) 90-100

Last Answer : (A) 10-15

P2O5 content in superphosphate is about __________ percent. (A) 30-35 (B) 15-20 (C) 65-70 (D) 85-90

Description : P2O5 content in superphosphate is about __________ percent. (A) 30-35 (B) 15-20 (C) 65-70 (D) 85-90

Last Answer : (B) 15-20

. Main constituents of Benzol are (A) Benzene, toluene & xylene (B) Tar & creosote (C) Ammonia & phenol (D) Anthracene & phenol

Description : . Main constituents of Benzol are (A) Benzene, toluene & xylene (B) Tar & creosote (C) Ammonia & phenol (D) Anthracene & phenol

Last Answer : (A) Benzene, toluene & xylene

Benzol is used (A) As a motor fuel blend (B) For producing benzene, toluene & xylene by its distillation (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Benzol is used (A) As a motor fuel blend (B) For producing benzene, toluene & xylene by its distillation (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

The terminology 'BTX' used in coal tar distillation industry refers to (A) Benzol-toluol-xylol (B) Benzol-toluene-xylene (C) Benzene-toluol-xylol (D) Benzene-toluene-xylene

Description : The terminology 'BTX' used in coal tar distillation industry refers to (A) Benzol-toluol-xylol (B) Benzol-toluene-xylene (C) Benzene-toluol-xylol (D) Benzene-toluene-xylene

Last Answer : (D) Benzene-toluene-xylene

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively. (A) 70 & 30 (B) 30 & 70 (C) 50 & 50 (D) 90 & 10

Description : Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively. (A) 70 & 30 (B) 30 & 70 (C) 50 & 50 (D) 90 & 10

Last Answer : (A) 70 & 30

Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. (A) 10-15 (B) 25-30 (C) 45-50 (D) 65-70

Description : Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. (A) 10-15 (B) 25-30 (C) 45-50 (D) 65-70

Last Answer : (B) 25-30

Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost. (A) 5 to 10 (B) 20 to 30 (C) 40 to 50 (D) 60 to 70

Description : Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost. (A) 5 to 10 (B) 20 to 30 (C) 40 to 50 (D) 60 to 70

Last Answer : (B) 20 to 30

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

Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. (A) 50 (B) 70 (C) 90 (D) 140

Description : Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. (A) 50 (B) 70 (C) 90 (D) 140

Last Answer : (C) 90

In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. (A) 35 (B) 50 (C) 70 (D) 85

Description : In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. (A) 35 (B) 50 (C) 70 (D) 85

Last Answer : (B) 50

Sucrose content in cane sugar may be around __________ percent. (A) 50 (B) 70 (C) 95(D) 80

Description : Sucrose content in cane sugar may be around __________ percent. (A) 50 (B) 70 (C) 95 (D) 80

Last Answer : (C) 95

The percentage of the calcium eliminated in feces is (A) 10–20 (B) 30–40 (C) 50–60 (D) 70–90

Description : The percentage of the calcium eliminated in feces is (A) 10–20 (B) 30–40 (C) 50–60 (D) 70–90

Last Answer : Answer : D

In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Description : In the total proteins, the percentage of albumin is about (A) 20–40 (B) 30–45 (C) 50–70 (D) 80–90

Last Answer : Answer : C

Juice extraction capacity of vertical three roller type bullock down sugercane crusher E. 50-70% F. 70-90% G. 90-100% H. 30-50%

Description : Juice extraction capacity of vertical three roller type bullock down sugercane crusher E. 50-70% F. 70-90% G. 90-100% H. 30-50%

Last Answer : E. 50-70%

Two bike A & B start at the same time from salem to Rasipuram which are 60km apart. If the 2 bikes travel in opposite directions, they meet after 1 hr and if they travel in same direction(from salem towards Rasipuram), then A meets B after 3 hrs. what is the speed of bike A? a) 50 b) 70 c) 90 d) 30

Description : Two bike A & B start at the same time from salem to Rasipuram which are 60km apart. If the 2 bikes travel in opposite directions, they meet after 1 hr and if they travel in same direction(from salem towards Rasipuram), then A meets B after 3 hrs. what is the speed of bike A? a) 50 b) 70 c) 90 d) 30

Last Answer : B Let their speed be x km/hr and y km/hr respectively Then 60 / (x+y) = ½ X+y = 120 ------------->1 Now when they move in same direction (distance travelled by A in 3 hrs) - (Distance travelled by B in ... = 140 X=70 Put x value in 1 we get Y=120 -70=50 Y=50 Therefore A's speed = 70 km/hr

Polycaprolactam (Nylon - 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about __________ percent. (A) 50 (B) 75 (C) 90 (D) 99

Description : Polycaprolactam (Nylon - 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about __________ percent. (A) 50 (B) 75 (C) 90 (D) 99

Last Answer : (C) 90

Grinding efficiency of a ball mill is of the order of __________ percent. (A) 1-5 (B) 40-50 (C) 75-80 (D) 90-95

Description : Grinding efficiency of a ball mill is of the order of __________ percent. (A) 1-5 (B) 40-50 (C) 75-80 (D) 90-95

Last Answer : (A) 1-5

Absorption accompanied with chemical reaction is exemplified by the absorption of (A) Ammonia in water (B) Benzol present in coke oven gas by wash oil (C) SO2 in alkaline solution (D) All (A), (B) and (C)

Description : Absorption accompanied with chemical reaction is exemplified by the absorption of (A) Ammonia in water (B) Benzol present in coke oven gas by wash oil (C) SO2 in alkaline solution (D) All (A), (B) and (C)

Last Answer : (C) SO2 in alkaline solution

For storing water and acid free benzol, use a __________ vessel. (A) Steel (B) Karbate (C) Stainless steel (D) None of these

Description : For storing water and acid free benzol, use a __________ vessel. (A) Steel (B) Karbate (C) Stainless steel (D) None of these

Last Answer : (A) Steel

__________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Description : __________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Last Answer : (C) Butyl acetate

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

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

__________ is produced using molasses as the starting raw material. (A) Methyl alcohol (B) Ethyl alcohol (C) Benzol (D) Dimethyl ether

Description : __________ is produced using molasses as the starting raw material. (A) Methyl alcohol (B) Ethyl alcohol (C) Benzol (D) Dimethyl ether

Last Answer : (B) Ethyl alcohol

Milling a hundred pounds of wheat should yield ____ percent straight flour. a. 72 to 75 c. 88 to 90 b. 75 to 80 d. 68 to 70

Description : Milling a hundred pounds of wheat should yield ____ percent straight flour. a. 72 to 75 c. 88 to 90 b. 75 to 80 d. 68 to 70

Last Answer : a. 72 to 75

To dry fruits out-of-doors, humidity below ____ percent is best. a. 60 c. 80 b. 70 d. 90

Description : To dry fruits out-of-doors, humidity below ____ percent is best. a. 60 c. 80 b. 70 d. 90

Last Answer : a. 60

The speed of light through a single-mode optical fiber is approximately: w) c (equal to 3 x 108 m/s) x) 70 percent of c y) 80 percent of c z) 90 percent of c

Description : The speed of light through a single-mode optical fiber is approximately: w) c (equal to 3 x 108 m/s) x) 70 percent of c y) 80 percent of c z) 90 percent of c

Last Answer : ANSWER: X -- 70 PERCENT OF c

A light ray traveling in benzene strikes the benzene-air surface at the critical angle. The angle of refraction of the light ray is: w) 30 degrees x) 60 degrees y) 90 degrees z) 180 degrees

Description : A light ray traveling in benzene strikes the benzene-air surface at the critical angle. The angle of refraction of the light ray is: w) 30 degrees x) 60 degrees y) 90 degrees z) 180 degrees

Last Answer : ANSWER: Y -- 90 DEGREES

. In order to be called steel, an alloy should have iron percentage greater than (A) 80 (B) 70 (C) 90 (D) 50

Description : . In order to be called steel, an alloy should have iron percentage greater than (A) 80 (B) 70 (C) 90 (D) 50

Last Answer : (A) 80

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature). (A) 0.25 (B) 0.45 (C) 0.70 (D) 0.95

Description : While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature). (A) 0.25 (B) 0.45 (C) 0.70 (D) 0.95

Last Answer : (C) 0.70

The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent. (A) 3.125 (B) 6.25 (C) 12.50 (D) 25

Description : The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent. (A) 3.125 (B) 6.25 (C) 12.50 (D) 25

Last Answer : (B) 6.25

High speed cutting tool steels contain about __________ percent of tungsten. (A) 6-8 (B) 18-20 (C) 30-35 (D) 50-55

Description : High speed cutting tool steels contain about __________ percent of tungsten. (A) 6-8 (B) 18-20 (C) 30-35 (D) 50-55

Last Answer : (B) 18-20

Quantity of coke produced from metallurgical coal may be around __________ percent. (A) 30 (B) 50 (C) 75 (D) 95

Description : Quantity of coke produced from metallurgical coal may be around __________ percent. (A) 30 (B) 50 (C) 75 (D) 95

Last Answer : (C) 75

Permanent pressure loss in a well designed Venturimeter is about __________ percent of the venturi differential. (A) 1 (B) 10 (C) 30 (D) 50

Description : Permanent pressure loss in a well designed Venturimeter is about __________ percent of the venturi differential. (A) 1 (B) 10 (C) 30 (D) 50

Last Answer : (A) 1

. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. (A) 75 (B) < 10 (C) > 30 (D) 50

Description : . Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. (A) 75 (B) < 10 (C) > 30 (D) 50

Last Answer : (B) < 10

Alcohol content in freshly prepared natural and fortified **** may be respectively around __________ percent. (A) 7-14 and 14-30 (B) 7-14 and 40-50 (C) 14 - 30 and 40-50 (D) 10 - 20 and 40 - 50

Description : Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent. (A) 7-14 and 14-30 (B) 7-14 and 40-50 (C) 14 - 30 and 40-50 (D) 10 - 20 and 40 - 50

Last Answer : (A) 7-14 and 14-30

Most chemical plants use an initial working capital amounting to 10- 20% of the total capital investment. But this percentage may increase to __________ percent in case of seasonal products manufacturing plant. (A) 30 (B) 50 (C) 75 (D) 95

Description : Most chemical plants use an initial working capital amounting to 10- 20% of the total capital investment. But this percentage may increase to __________ percent in case of seasonal products manufacturing plant. (A) 30 (B) 50 (C) 75 (D) 95

Last Answer : (B) 50

Construction expenses are roughly __________ percent of the total direct cost of the plant. (A) 2 (B) 10 (C) 30 (D) 50

Description : Construction expenses are roughly __________ percent of the total direct cost of the plant. (A) 2 (B) 10 (C) 30 (D) 50

Last Answer : B) 10

amount of liquid that a man can spray in a day is: A. 60 litres liquid B. 70 litres liquid C. 80 litres liquid D. 90 litres liqui

Description : amount of liquid that a man can spray in a day is: A. 60 litres liquid B. 70 litres liquid C. 80 litres liquid D. 90 litres liquid

Last Answer : 90 litres liquid

Normal serum insulin level varies between (A) 4–25 µU/ml (B) 25–50 µU/ml (C) 70–90 µU/ml (D) 100–120 µU /ml

Description : Normal serum insulin level varies between (A) 4–25 µU/ml (B) 25–50 µU/ml (C) 70–90 µU/ml (D) 100–120 µU /ml

Last Answer : Answer : A

What is the average 'Intelligence Quotient (IQ) of normal' persons? (1) 100 to 120 (2) 90 to 110 (3) 70 to 130 (4) 50 to 100

Description : What is the average 'Intelligence Quotient (IQ) of normal' persons? (1) 100 to 120 (2) 90 to 110 (3) 70 to 130 (4) 50 to 100

Last Answer : (2) 90 to 110 Explanation: IQ is a number meant to measure people cognitive abilities (intelligence) in relation to their age group. An LQ between 90 and 110 is considered average; over 120, superior.

If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m (A) + 0.60 m (B) + 0.70 m (C) + 0.90 m (D) + 1.50 m

Description : If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m (A) + 0.60 m (B) + 0.70 m (C) + 0.90 m (D) + 1.50 m

Last Answer : Answer: Option B

Standard disc plough diameter size is A. 40 to 60 cm C. 70 to 90 cm B. 60 to 90 cm D. 50 to 70 cm

Description : Standard disc plough diameter size is A. 40 to 60 cm C. 70 to 90 cm B. 60 to 90 cm D. 50 to 70 cm

Last Answer : 60 to 90 cm

According to star rating ,the 5 star gives minimum ERR.... ix. 4.20 C) 3.90 x. 4.70 D) 4.50

Description : According to star rating ,the 5 star gives minimum ERR.... ix. 4.20 C) 3.90 x. 4.70 D) 4.50

Last Answer : 4.50

Avinash, Bala and Chandran invested Rs.45,000/-, Rs. 70, 000/- and Rs. 90,000/- respectively to start a business. At the end of two years, they earned a profit of Rs.1,64,000/-. What will be Bala’s share in the profit? a) Rs.56, 000/- b) Rs.46, 000/- c) Rs. 50, 000/- d) Rs.75, 000/- e) None of these

Description : Avinash, Bala and Chandran invested Rs.45,000/-, Rs. 70, 000/- and Rs. 90,000/- respectively to start a business. At the end of two years, they earned a profit of Rs.1,64,000/-. What will be Bala’s share in the profit? a) Rs.56, 000/- b) Rs.46, 000/- c) Rs. 50, 000/- d) Rs.75, 000/- e) None of these

Last Answer : Profit sharing ratio of Avinash,Bala & Chandran = 45000 : 70000 : 90,000 = 45 : 70 : 90 = 9 : 14 : 18 Bala's share of profit after two year =Rs.164000 × 14 × 41 = Rs. 4000 ×14 = Rs. 56000 Answer: a)

The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. (A) 15 (B) 40 (C) 70 (D) 85

Description : The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. (A) 15 (B) 40 (C) 70 (D) 85

Last Answer : (B) 40

Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. (A) 80 and 97 (B) 95 and 100 (C) 40 and 70 (D) 25 and 97

Description : Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. (A) 80 and 97 (B) 95 and 100 (C) 40 and 70 (D) 25 and 97

Last Answer : (A) 80 and 97

Permanent loss in a Venturimeter is about __________ percent of the pressure drop in the upstream cone. (A) 1 (B) 10 (C) 40 (D) 70

Description : Permanent loss in a Venturimeter is about __________ percent of the pressure drop in the upstream cone. (A) 1 (B) 10 (C) 40 (D) 70

Last Answer : (B) 10

Average human body contains about __________ percent water by weight. (A) 20 (B) 40 (C) 70 (D) 85

Description : Average human body contains about __________ percent water by weight. (A) 20 (B) 40 (C) 70 (D) 85

Last Answer : (C) 70