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)
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
Description : 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)
Last Answer : c. Between 95 cm (38 inches) and 115 cm ( 45 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)
Description : In a flywheel the safe stress is 25.2MN/m 2 and the density is 7 g/cm 3 . Then what is the maximum peripheral velocity ? 1. 30m/s 2. 45m/s 3. 60m/s 4. 120m/s
Last Answer : 3. 60m/s
Description : What is the maximum distance that bracing can be installed from a node point on a scaffold? a. 200mm (8 inches) b. 300mm (12 inches) c. 150mm (6 inches) d. 250mm (10 inches)
Last Answer : b. 300mm (12 inches)
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)
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)
Description : 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
Last Answer : c. Every Fifth post
Description : The vertical distance clearance between the bottoms of the toe board? a. 0mm (0 inch) b. 6mm ( ¼ inch) c. 3mm ( 1/8 inch)
Last Answer : b. 6mm ( ¼ inch)
Description : Planks must be overlapped a minimum of ------
Last Answer : 12 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)
Last Answer : c. 150mm (6 inches)
Description : What is the minimum height an access ladder must extend above the landing?
Last Answer : 1m
Description : 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
Last Answer : a. 35-55 degree
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)
Description : 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
Last Answer : b. 2/3 of the total threaded length showing
Description : 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)
Last Answer : a. 300mm (12 inches)
Description : What is the maximum height allowed between ladder landings?
Last Answer : 6m (or 3 lifts)
Description : What is the main function of bracing? a. To correct any incorrect measurements b. To enable easy inspection of the scaffold c. To make the scaffold square d. To add rigidity to the scaffold
Last Answer : d. To add rigidity to the scaffold
Description : What maximum load would you place on a right angle coupler?
Last Answer : 630kg (or 630kgf or 6.25kN)
Description : What is the maximum load you would lift with a gin wheel?
Last Answer : 50kg
Description : 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
Last Answer : b. Three
Description : What minimum width of timber would you use as a soleplate?
Last Answer : 220mm (or 225mm, or the width of a scaffold plank)
Description : What is the minimum size of a square baseplate?
Last Answer : 150mm x 150mm (or 225cm2)
Description : 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)
Last Answer : c. 150mm (6 inches
Description : The pressure drop in a 30 cm diameter horizontal pipe is 60 kPa in distance of 15m. The wall shear stress in kPa is (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4
Last Answer : (c) 0.3
Description : 60m= ___m?
Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want
Description : Which of the listed conditions occur when '4th point lower' is selected on the winch shown in the illustration? EL-0102 A. Master switch contacts '3', '4', '6', '8', '9', & '10' close. B. Contactors '2, 3, & 4M' and ' ... , '7', '8', and '9' close. D. Contactors '1 & 3M' and '1, 2, & 3A' pick up.
Last Answer : Answer: B
Description : Which of the listed conditions occur when selection is made for 'third point hoist' on the winch shown in the illustration? EL-0102 A. Master switch contacts '5', '6', '7', '8', and '9' close. B. Contactors '2M', ' ... ' and '2A' drop out. D. Master switch contacts '3','4', '6', '8', and '9' close.
Last Answer : Answer: D
Description : Who holds the world record for High Jump with a jump of 2.45m? -Sports
Last Answer : answer:
Description : There is a bell at the top of a tower that is 45m high. The bell weighs 19kg. The bell has potential energy. Calculate it?
Last Answer : E_{0}}
Description : Expansion joints are provided if the length of concrete structures exceeds (A) 10 m (B) 15 m (C) 15 m (D) 45 m
Last Answer : Answer: Option D
Description : two joggers run 8km north and then 5km west what is the shortest distance to the nearest 10th of a kilometer they must travel to return to their starting point?
Last Answer : 9.43
Description : An object with 100 N weights is raised to a height of 15m. Find the potential energy possessed by the object at that height. Also find the new potential energy: -Physics 9th
Last Answer : Potential Energy is given by PE=mgHPE=mgH Given mg=100N and H=15 m PE=100 15=1500JPE=100 15=1500J If If the same object is raised half of its original height i.e H= 7.5 m PE=100 7.5=750JPE=100 ... same object is raised to three times of its original height i.e H=45 m PE=100 45=4500JPE=100 45=4500J
Description : What volume (in mL) of 0.25M NaSO4 solution is needed to precipitate all the barium as BaSO4(s) from 12.5mL of 0.15M Ba(NO3)2 solution?
Last Answer : The chemical equation is:Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3The volume (in mL) of 0,25M Na2SO4 solution needed to precipitate all the barium as BaSO4(s) from 12,5mL of 0,15M Ba(NO3)2 solution is 7,5 mL.
Description : If A rock is dropped from the top of a 15m tall building. How fast is it moving just before it strikes the ground?
Last Answer : You would have to take in the factor of the speed and the air pressure, thus when the speed and air pressure equal each other the speed doesn't keep climbing it stays at the same level of speed
Description : What is the gcf of 12m 15m and 30m?
Last Answer : The GCF is: 3m
Description : Water flowing at a 6m/s through a 60 mm pipe is suddenly channeled into a 30 mm pipe. What is the velocity in the small pipe? a. 34m/s b. 24m/s c. 15m/s d. 27m/s
Last Answer : 24m/s
Description : What is the force required to accelerate amass of 30kg at a rate of 15m/s². a. 460 N b. 380 N c. 560 N d. 450 N F = ma
Last Answer : 450 N
Description : Cleaning of sugarcane is obtained at peripheral speed A. 12-15m/sec B. 18-20m/sec C. 20-25m/sec D. 25-30m/sec
Last Answer : B. 18-20m/sec
Description : Two pumps M and N can fill a cistern in 10m and 15m respectively. If both the pumps are opened simultaneously, after how much time should N be closed so that the cistern is full in 8 minutes ? A) 5min B) 6min C) 3min D) 7min
Last Answer : C X(1/10+1/15) +(8-x)1/10 = 1 5x/30+8-x/10 =1 5x+24-3x/30 =1 2x+24 = 30 2x=6 X=6/2 = 3
Description : Two faucet P and Q can fill a tank in 10 min. and 20 min. respectively. A water faucet R can empty the tank in 10 min. First P and Q are opened. After 3 min, R is also opened. In how much time, the tank is full? A) 17m B) 15m C) 11m D) 19m
Last Answer : C Part filled in 3 min. = 3*((1/10)+(1/20)) = 3 * (2+1/20) =>3(3/20) = 9/20 Remaining part=(1-(9/20))=(11/20). Net part filled in 1min. when P,Q and R are opened=(1/10)+(1/ ... (1/20). Now,(1/20) part is filled in one minute. (11/20) part is filled in = (20*(11/20))=11minutes.
Description : Evaluate Gauss law for D = 5r 2 /4 i in spherical coordinates with r = 4m and θ = π/2 as volume integral. a) 600 b) 588.9 c) 577.8 d) 599.7
Last Answer : b) 588.9
Description : A race course is 250 m long. P and Q run a race and P wins by 4m. Q and R run over the same course and Q win by 3m. R and S run over it and S wins by 12m. If P and S run over it, then who would win and by how much? a) P by 4.82m b) S by 5.30m c) P by 7.25m d) Q by 6.54m
Last Answer : B If P covers 250m, Q covers 246 m If Q covers 250m, R covers 247 m If S covers 250m, R covers 238m Now if Q covers 246 m, then R will cover =247/250*246=243.048 If R covers 243.048 m, then S will cover= ... 048=255.30 If P and S run over 250 m, then S win by =(255.30-250) S win by = 5.30 m
Description : A mass of 5 kg moves on a smooth horizontal plane with a speed of 8 m/s attached to a fixed point on the plane by a string of length 4m. Tension in the string is a.785 b.80N c.392.4N d.None of the above e.Tapered bearing
Last Answer : b. 80N
Description : Point out the wrong statement. a) TCO must account for the real costs of items, but frequently they do not b) A system consumes resources such as space in a datacenter or portion of ... management c) Microsoft maintains an economics page for its Windows Azure Platform d) None of the mentioned
Last Answer : None of the mentioned
Description : Pick out the wrong statement. (A) Exit age description function (E) and internal age distribution function (I) are related as, E = -(dI/dθ) (B) Chemisorption studies are useful in the ... energy (D) A catalyst increases the potential energy barrier over which the reactants must pass to form products
Last Answer : (D) A catalyst increases the potential energy barrier over which the reactants must pass to form products
Description : Consider the following statements: The total head against which a pump has to work must include, besides any other items, 1. the suction lift. 2. the delivery head. 3. the head lost due to friction at entrance in the rising main. 4. the ... 2 & 3 only (b) 2 & 3 only (c) 1, 2, 3 & 4 (d) 3 & 4 only
Last Answer : (c) 1, 2, 3 & 4
Description : A rectangular park has a concrete footpath running in the middle of the park parallel to the length of the park. The rest of the park is used as a playing ground, which has an area of 253 sq. m. If the width of the path ... m. What is the area of the park? (in sq. m.) (a) 896 (b) 345 (c) 432
Last Answer : (b) 345