At what height must top rails be fitted above working platform? a. Between 90 cm (35 inches) and 110 cm (43 inches) b. Between 100 cm (39 inches) and 120 cm (47 inches) c. Between 95 cm (38 inches) and 115 cm ( 45 inches) d. Between 105 cm (41 inches)and 125 cm (49 inches)

At what height must top rails be fitted above working platform?
a. Between 90 cm (35 inches) and 110 cm (43 inches)
b. Between 100 cm (39 inches) and 120 cm (47 inches)
c. Between 95 cm (38 inches) and 115 cm ( 45 inches)
d. Between 105 cm (41 inches)and 125 cm (49 inches)
by

1 Answer

Answer :

c. Between 95 cm (38 inches) and 115 cm ( 45 inches)
by

Related questions

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

A guardrail system must be fitted if the distance between a working platform a wall is more than? a. 100mm (4 inches) b. 360mm (14 inches) c. 200mm (8 inches) d. 460mm (18 inches)

Description : A guardrail system must be fitted if the distance between a working platform a wall is more than? a. 100mm (4 inches) b. 360mm (14 inches) c. 200mm (8 inches) d. 460mm (18 inches)

Last Answer : b. 360mm (14 inches)

The width of a scaffold platform or walkways must be at least? a. 3 planks 675mm (27 inches) b. 2 planks 450mm (18 inches) c. 5 planks 1,125mm (45 inches) d. 4 planks 900mm (30 inches)

Description : The width of a scaffold platform or walkways must be at least? a. 3 planks 675mm (27 inches) b. 2 planks 450mm (18 inches) c. 5 planks 1,125mm (45 inches) d. 4 planks 900mm (30 inches)

Last Answer : a. 3 planks 675mm (27 inches)

The height of a toe board must be at least? a. 100mm (4 inches) b. 200mm (8 inches) c. 150mm (6 inches) d. 230mm (9 inches)

Description : The height of a toe board must be at least? a. 100mm (4 inches) b. 200mm (8 inches) c. 150mm (6 inches) d. 230mm (9 inches)

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At what angle must zig zag bracing be installed? a. 35-55 degree b. 35-60 degree c. 25-45 degree d. 35-70 degree

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The Average of marks obtained by 120 candidates in a certain examination is 35. If the average marks of passed candidates is 39 and that of failed candidates is 15, what is the number of candidates who passed the examination? A.90 B.100 C.108 D.115 E.None of these

Description : The Average of marks obtained by 120 candidates in a certain examination is 35. If the average marks of passed candidates is 39 and that of failed candidates is 15, what is the number of candidates who passed the examination? A.90 B.100 C.108 D.115 E.None of these

Last Answer : Answer – B (100) Explanation – Let the number of passed candidates be a Then total marks =>120 x 35 = 39 a + (120 – a) x 15 4200 = 39 a + 1800 – 15 a a = 100

The travel distance to an exit point on a working platform must be no more than? a. 7.4m b. 45m c. 15m d. 60m

Description : The travel distance to an exit point on a working platform must be no more than? a. 7.4m b. 45m c. 15m d. 60m

Last Answer : c. 15m

The headroom above a working platform must be at least? a. 1.6m b. 2.1m c. 2m d. 2.6m

Description : The headroom above a working platform must be at least? a. 1.6m b. 2.1m c. 2m d. 2.6m

Last Answer : c. 2m

The heights of 7 students are given below (in cm) : 120, 126, 132.41, 121.52, 120.35, 132, 125. Find the median height of the students.

Description : The heights of 7 students are given below (in cm) : 120, 126, 132.41, 121.52, 120.35, 132, 125. Find the median height of the students.

Last Answer : The heights of 7 students are given below (in cm) : 120, 126, 132.41, 121.52, 120.35, 132, 125. Find the median height of the students.

The vertical spacing between ties must be no more than? a. 8m (26 feet) b. 10m (33 feet) c. 12m (39 feet) d. 6m (20 feet)

Description : The vertical spacing between ties must be no more than? a. 8m (26 feet) b. 10m (33 feet) c. 12m (39 feet) d. 6m (20 feet)

Last Answer : a. 8m (26 feet)

What is the height of the base lift (kicker lift) on a typical tube and coupler scaffold? a. 225mm (9 inches) b. 300mm (12 inches) c. 150mm (6 inches) d. 100mm (4 inches)

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Description : The maximum permissible hardness for public supplies is  (A) 95 mg/litre  (B) 105 mg/litre  (C) 115 mg/litre (D) 125 mg/litre

Last Answer : (C) 115 mg/litre

The gap between scaffold planks (boards) must be no more than? a. 150mm (6 inches) b. 50mm (2 inches) c. 75mm (3 inches) d. 25mm (1 inch)

Description : The gap between scaffold planks (boards) must be no more than? a. 150mm (6 inches) b. 50mm (2 inches) c. 75mm (3 inches) d. 25mm (1 inch)

Last Answer : d. 25mm (1 inch)

What is the minimum height an access ladder must extend above the landing?

Description : What is the minimum height an access ladder must extend above the landing?

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Where must longitudinal (façade) bracing be installed on a length whose is greater than its height? a. Every Third post b. Every post c. Every Fifth post d. Every Second post

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hat is the horizontal spacing between tie? a. No more than 5m (16 feet) b. No more than 9m (30 feet) c. No more than 7m (23 feet) d. No more than 38m (125 feet)

Description : hat is the horizontal spacing between tie? a. No more than 5m (16 feet) b. No more than 9m (30 feet) c. No more than 7m (23 feet) d. No more than 38m (125 feet)

Last Answer : b. No more than 9m (30 feet)

Minimum clearance between toe of Open switch and stock rail for new works a. 115 mm* b. 120 mm c. 95 mm d. 110 mm

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What is the minimum overlap required when splicing bracing? a. 300mm (12 inches) b. 400mm (16 inches) c. 600mm (24 inches) d. 450mm (18 inches)

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Screw jack can be adjusted no more than? a. 300mm (12 inches) of threaded length showing b. 2/3 of the total threaded length showing c. 150mm (6 inches) of threaded length showing d. 1/3 of the total threaded length showing

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Find the average of first 85 natural numbers? A) 43 B) 41 C) 45 D) 47

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121 ? 113 138 89 170 49 a) 125 b) 110 c) 122 d) 120 e) 133

Description : 121 ? 113 138 89 170 49 a) 125 b) 110 c) 122 d) 120 e) 133

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The amount invested in Kisan Vikas Patra(KVP) would get doubled in ________ months. A. 100 B. 105 C. 110 D. 115

Description : The amount invested in Kisan Vikas Patra(KVP) would get doubled in ________ months. A. 100 B. 105 C. 110 D. 115

Last Answer : C. 110 Explanation: The amount invested in Kisan Vikas Patra would get doubled in 110 months or nine years and two months. The interest rate of KVP is 7.8 per cent annually.

Min. breaking load of 60kg weld during transverse breaking load test is? (i) 110 MT (ii) 115 MT* (iii) 90 MT (iv) 120 MT

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What is the maximum height allowed between ladder landings?

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Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

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Last Answer : Here's ur answer Hope it has helped u..

Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Description : Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Last Answer : Here's ur answer Hope it has helped u..

The missing number in the series 40, 120, 60, 180, 90, ?, 135 is (A) 110 (B) 270 (C) 105 (D) 210

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Planks must be overlapped a minimum of ------

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The average domestic consumption under normal conditions in an Indian city per day per person, is (A) 105 litres (B) 115 litres (C) 125 litres (D) 135 litres

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While calculating the sight distances, the driver's eye above road surface, is assumed (A) 90 cm (B) 100 cm (C) 110 cm (D) 120 cm

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In India, which one of the following should be considered the right combination of the age in days and live body weight in kg for a lamb for its weaning ? (A) 20 days to 30 days and 6 kg to 7 kg (B) 45 days to 60 days and 8 kg to 10 kg (C) 105 days to 120 days and 18 kg to 21 kg (D) 75 days to 90 days and 12 kg to 15 kg (E) 55 days to 70 days and 9 kg to 11 kg

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The average of 7 consecutive odd numbers is 41. Find the largest of these numbers A) 40 B) 57 C) 47 D) 43

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The average score in a bank examination of 13 students of a class is 50. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark was 35 and the maximum mark was 100. It is also known that none of the students failed. If each of the top five scorers had distinct integral scores, the maximum possible score of the topper is. A) 85 B) 90 C) 95 D) 100

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Last Answer : d) 190/110 mm Hg may harm vital organs like brain and kidney.

Three telephone circuits, each having an S/N ratio of 44 dB, are connected in tandem. What is the overall S/N ratio? A. 44 dB B. 39.2 dB C. 41 dB D. 43.52 dB

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Ravi borrowed some money at the rate of 4 p.c.p.a. for the first three years, at the rate of 8 p.c.p.a. for the next two years and at the rate of 9 p.c.p.a. for the period beyond 5 years. If he pays a total simple interest of 19,550 at the end of 7 years, how much money did he borrow? a) 39,500 b) 42,500 c) 41,900 d) 43,000 e) None of these

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A carton contains 12 green and 8 blue bulbs .2 bulbs are drawn at random. Find the probability that they are of same colour. A) 91/47 B) 47/105 C) 47/95 D) 95/47

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ECE Board Exam March 1996 One hundred twenty µbars of pressure variation is equal to A. 120 dBSPL B. 115.56 dBSPL C. 41.58 dBSPL D. 57.78 dBSPL

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Last Answer : B. 115.56 dBSPL

The rules related to MO in IPO act explained in section a) 43 to 48 b) 38 to 42 c) 49 to 53 c ) None of these

Description : The rules related to MO in IPO act explained in section a) 43 to 48 b) 38 to 42 c) 49 to 53 c ) None of these

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A problem Drum ( 3 ft. diameter ; 6 ft. height ) is field with a fluid whose density is 50 lb/ft^3. Determine the total volume of the fluid.  A. 42.41 ft^3  B.44.35 ft^3  C.45.63 ft^3  D.41.23 ft^3 Formula: Vf = (pi d^2 h) / 4

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Last Answer : 42.41 ft^3

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Description : What maximum load would you place on a right angle coupler?

Last Answer : 630kg (or 630kgf or 6.25kN)

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Description : What is the maximum load you would lift with a gin wheel?

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What is the maximum number of open bays if transverse zig zag bracing is installed along the width of a birdcage scaffold? a. Four b. Three c. Five d. Six

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What minimum width of timber would you use as a soleplate?

Description : What minimum width of timber would you use as a soleplate?

Last Answer : 220mm (or 225mm, or the width of a scaffold plank)

What is the minimum size of a square baseplate?

Description : What is the minimum size of a square baseplate?

Last Answer : 150mm x 150mm (or 225cm2)