Description : The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum ... would be a.3.6 tonnes b.2.4 tonnes c.4.0 tonnes d.4.8 tonnes e.4.4 tonnes
Last Answer : e. 4.4 tonnes
Description : A body weighing one tonne falls through 8 cm on to a spring of stiffness 500 kg/cm the spring will be compressed through a.8 cm b.6 cm c.4 cm d.10 cm e.12 cm
Last Answer : a. 8 cm
Description : Nucleus of an atom resembles with a drop of liquid. Density of nucleus is very high, i.e., `10^(8)` tonne/cc or 130 trillion tonnes `m^(-3)`. This den
Last Answer : Nucleus of an atom resembles with a drop of liquid. Density of nucleus is very high, i.e., `10^(8)` tonne/cc or 130 ... `A^(1//3)` C. `[A]^(3)` D. A
Last Answer : Nucleus of an atom resembles with a drop of liquid. Density of nucleus is very high, i.e., `10^(8)` tonne/cc or ... `10^(13) : 1` D. `10^(12) : 1`
Description : Work index is defined as the (A) Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen (B) Energy needed to crush ... of the product passes a 200 mesh screen (D) Energy needed to crush one ton of feed to 100 microns
Last Answer : (A) Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen
Description : Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should ... to get the same for dry grinding. (A) 1.0 (B) 0.5 (C) 1.34 (D) 4.34
Last Answer : (C) 1.34
Description : A three hinged parabolic arch hinged at the crown and springing, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span ... A) 10.8 tonnes (B) 1.08 tonnes (C) 1.8 tonnes (D) 0.8 tonnes
Last Answer : (B) 1.08 tonnes
Description : In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net ... load should not exceed (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Last Answer : Answer: Option D
Description : A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to (A) 10 kg (B) 100 kg (C) 1000 kg (D) 1 kg
Last Answer : Answer: Option A
Description : On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from (A) 5 kg to 7 kg/tonne (B) 7 kg to 9 kg/tonne (C) 9 kg to 11 kg/tonne (D) 11 kg to 13 kg/tonne
Last Answer : Answer: Option C
Description : Gradient resistance of moving vehicles along down slopes, is (A) + 7 kg/tonne (B) + 9 kg/tonne (C) - 9 kg/tonne (D) - 7 kg/tonne
Description : A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The ... will be (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne
Last Answer : (C) 40 kg/tonne
Description : The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to (A) 2 kg/tonne (B) 6 kg/tonne (C) 9 kg/tonne (D) 20 kg/tonne
Last Answer : (C) 9 kg/tonne
Description : A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance ... 200 kg (B) Increase by 200 kg (C) Increase by 250 kg (D) Reduce by 250 kg
Last Answer : (A) Reduce by 200 kg
Description : The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is (A) 3425 kg (B) 5515 kg (C) 4350 kg (D) 2975 kg
Last Answer : (B) 5515 kg
Description : If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is (A) 30 kg (B) 300 kg (C) 900 kg (D) 1000 kg
Last Answer : (C) 900 kg
Description : Pick up the correct statement from the following: (A) The weight of ingredients of concrete mix, is taken in kilograms (B) Water and aggregates are measured in litres (C) 20 bags of cement make one tonne (D) All the above
Description : For melting one tonne of cast iron (A) 700 m3 air is required (B) 20 kg limestone is required (C) One quintal coke is required (D) All the above
Description : The unit of mass in S.I. units is (a) kilogram (b) gram (c) tonne (d) quintal (e) newton
Last Answer : Answer : a
Description : Describe the cost unit applicable to the Bicycle industry: (a) per part of bicycle(b) per bicycle (c) per tonne (d) per day
Last Answer : (b) per bicycle