Description : What's your idea of the absolute minimum age you would let a young boy participate in model rocketry with adult oversight, obviously?
Last Answer : I would say eight or nine, possibly ten depending upon the maturity level of the child.
Description : Name the branch of science which deals with the study of sound and sound waves? A. Aeronautics B. Acoustics (Answer) C. Aerostatics D. Aetiology
Last Answer : B. Acoustics (Answer)
Description : _____ is area of engineering and science which understand the different principles, structure andprogramming of robot a.Mechatronics b.Robotics c.Aeronautics d.None of the above
Last Answer : b.Robotics
Description : Which does not have a unit of Hindustan Aeronautics Ltd (HAL) ? -Do You Know?
Last Answer : Kolkata does not have a unit of Hindustan Aeronautics Ltd (HAL).
Description : Why did Congress create the National Aeronautics and Space Administration (NASA)?
Last Answer : The National Aeronautics and Space Act of 1958 (Pub. L. 85-568)had eight objectives:*The expansion of human knowledge of phenomena in space and theatmosphere;*The improvement of the performance, ... agencies of the U.S. in order to avoid unnecessaryduplication of effort, facilities, and equipment.
Description : Hindustan Aeronautics Limited (HAL) is in (a) Mumbai (b) Kolkata (c) Bengaluru (d) Chennai
Last Answer : Ans: (c)
Description : Which one of the following does not have a unit of Hindustan Aeronautics Ltd (HAL)? (a) Nasik (b) Koraput (c) Kolkata (d) Bangalore
Description : Match the following: A. BHEL 1. Atomic B. HAL 2. Electronic C. SAIL 3. Aeronautics D. BPCL 4. Chemicals E. NPTC 5. Iron and steel A B C D E (a) 2 3 5 4 1 (b) 5 4 3 2 1 (c) 1 2 3 4 5 (d) 4 2 3 1 5
Last Answer : Ans: (a)
Description : Which is area of engineering and science which understand the different principles, structure and programming of robot. (A) Mechatronics (B) Robotics (C) Aeronautics (D) None of the above
Last Answer : B
Description : 1. Which rays can pass through 20 cm thickness of steel? 2. Which characteristic is common among parrot, platypus and kangaroo? 3. In India, in which banking is the Public Sector is ... Aeolian process? 20. Who was instrumental in bringing the Extremists and the Moderates together at Lucknow?
Last Answer : Answer : 1. ã-rays 2. Functional post anal tail 3. Commercial banking 4. Kolkata 5. Pamstern 6. Retro virus 7. Lord Pethick Lawrence 8. Chlorine 9. Varanasi 10. Jawaharlal Nehru 11. Gasoline ... 17. By infrared rays 18. State Bank of India 19. Corrosion, attrition, deflation 20. Annie Besant
Description : There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of (A) 1 ... (B) 2 : 1½ : 1 (C) 1 : 1 : 2 (D) None of these
Last Answer : (C) 1 : 1 : 2
Description : For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust
Last Answer : (3) Weight of the body minus weight of the liquid
Description : A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero
Last Answer : (2) less than weight of the wood Explanation: According to the Archimedes' principle, a floating object will experience an upthrust force from water, equal to the weight of water displaced (pushed aside ... until it reaches the point where the weight of the water pushed aside equals its own weight.
Description : Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass
Last Answer : (1) equal volume Explanation: When a body is placed in water, the upthrust or buoyant force acting on it depends upon the following factors: (1) Volume of the body submerged in the liquid - (V), or volume of ... (V); (ft) Density of the liquid - (d); and (Hi) Acceleration due to gravity In-line.
Description : Which principle states that when a body is partially or totally immersed in a fluid, it experiences an upward thrust equal to the weight of the fluid displaced by it?
Last Answer : Archimedes
Description : Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal ... greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal
Last Answer : b. These forces are equal
Description : How does rocket thrust work in the vacuum of space?
Last Answer : answer:Lets say that you are floating out in space while holding a bowling ball. If you push the ball away from you then you and the ball will be put into motion in opposite directions. The same ... fires up, it pushed the blast in one direction as the rocket is pushed in the opposite direction.
Description : Pa (Pascal) is the unit for (a) Thrust (b) Pressure (c) Frequency (d) Conductivity
Last Answer : Ans:(b)
Description : CGS unit of thrust is?
Last Answer : dyne /em2
Description : Unit of thrust is?
Last Answer : Newton
Description : Gay jellies! Have you ever been out of the closet, and then thrust back in?
Last Answer : I’m not gay, but I think it’s a big mistake to have lied and said you have a GF. I can’t fathom what’s wrong with being gay? As long as you have the job it’s fine and set I believe.
Description : Which of the following bearing will have least coefficient of friction a.Single ball bearing b.Cylinderical roller bearing c.Self aligury bearing d.Thrust ball bearing e.Tapered bearing
Last Answer : e. Tapered bearing
Description : When a train is rounding a curve to prevent side thrust on the wheel flanges of cars a.Opposite thrust is created to counter balance this thrust b.Guide rail sections are provided to take care of ... are provided in the train d.Outside rails are realised e.Rail section is made thick on curvature
Last Answer : d. Outside rails are realised
Description : Glittering points that downward thrust, sparkling spears that never rust.What is it? -Riddles
Last Answer : An Icicle.
Description : Glittering points that downward thrust, Sparkling spears that never rust. What is it? -Riddles
Last Answer : An icicle.
Description : A dagger thrust at my own heart, Dictates the way I'm swayed. Left I stand, and right I yield, To the twisting of the blade. What am I? -Riddles
Last Answer : A Lock.
Description : Glittering points that downward thrust, sparkling spears That never rust. what am I? -Riddles
Last Answer : Icicles.
Description : Thrust is a forward motion, true or false?
Last Answer : 1
Description : How can tongue thrust affect my braces treatment?
Last Answer : Your time with braces will probably be longer. But in order to avoid wasting time and money, it is always a good Idea to look for a professional orthodontist to help you solve this issue first. When you ... in mind that solving tongue thrust takes a while (months to a couple years). *I had the issue
Description : What is thrust on a plane?
Last Answer : What is the answer ?
Description : What happens when friction is equal to the thrust force?
Last Answer : In that case, the object won't budge.
Description : Why does a cannon recoil after firing? (1) Conservation of energy (2) Backward thrust of gases produced (3) NeMon's third law of motion (4) Newton's first law of motion
Last Answer : (3) NeMon's third law of motion Explanation: Recoil is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of ... 's third law. In case of canons, the momentum is transferred to the ground through its mount.
Description : The dimensional formula ML⁻¹T⁻² corresponds to – (1) Modulus of elasticity (2) Viscosity (3) Moment of a force (4) Thrust
Last Answer : (1) Modulus of elasticity Explanation: M Li- T-2 is the dimension of any quantity that is force per unit area such as Pressure or Stress, Young's Modulus, Bulk Modulus, Modulus of Rigidity, ... the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit.
Description : If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust
Last Answer : (4) Upward Thrust Explanation: If there is no gravity, there will not be any upward thrust to keep a liquid buoyant. Whenever a body is placed in a fluid, the fluid applies resultant up ... gravity at the given place. Up thrust increases with increase in acceleration due to gravity and vice versa.
Description : If the bearings of an electrical generator are failing more frequently than expected and the lubricating oil is sludging then you should ______________. A. check the connections to the output leads B. ... replace the bearing with a sealed roller type D. replace the thrust bearing of the prime mover
Last Answer : Answer: B
Description : If air gap readings for an electical generating machine have changed significantly from the last reading, you should check _________. A. the bearings B. insulation readings and machine cleanliness C. the prime mover thrust bearing D. the field coil bolts for the proper torque values
Last Answer : Answer: A
Description : In the illustrated motor, roller bearings are used because __________. EL-0001 A. of their ability to absorb moderate thrust loads B. they electrically insulate the rotor from the frame reducing ... clearance between the rotor and stator is generally as close as mechanical tolerance will permit
Last Answer : Answer: D
Description : A faulty 'function generator' shown in the illustration may prevent _____________. EL-0095 A. proper pitch control from both the 'bridge' and 'engine room thrust levers' B. the 'split potentiometer ... control pitch C. the pitch meter from indicating accurately D. relays #2 and/or #3 from energizing
Description : Vessel pitch can be controlled by either the 'bridge or engine room thrust lever' shown in the illustration; but only with one engine on the line whether in 'cruise or maneuver' mode. The cause is most likely a faulty relay _____________. EL-0095 A. #1 B. #2 C. #3 D. #4
Description : If Relay #5 changed contact position grounding the 'auto' input to the 'pitch controller module', pitch control would be effected by the _________________. EL-0095 A. pitch feedback potentiometer B. Engine room thrust split potentiometer C. Engine room thrust lever only D. Bridge thrust lever only
Description : As shown in the two illustrations for 'pitch control' and engine speed control', when the plant is in 'AUTO / CRUISE' propeller pitch is controlled by ___________. EL-0095 A. the 'trim potentiometer' and ... and speed by its 'trim pot'. D. either 'thrust lever' and speed by the 'trim potentiometer'
Description : As shown in the illustration, when the 'speed control' system is in 'SPLIT' _______________. EL-0096 A. Relays #1, #5 and #8 are not used B. the 'slew rated controller' is grounded through Relay ... E/P converters' are bypassed and air is fed directly to the governors via the 'load sharing valve'
Last Answer : Answer: C
Description : The meter indicating the position of the 'bridge Thrust lever' shown in the illustration is located ___________________. EL-0095 A. in the Engine Control Room B. on the Bridge C. in the Captain's office D. in the Chief Engineer's office
Description : Considering the function of the circuit shown in the illustration, what is the purpose of supplying the thrust lever potentiometers with both (+) and (-) 15 volts? EL-0095 A. To select which ... alternate voltage supply if the other fails. D. So as to automatically select the position of Relay #
Description : As shown in the illustration, the circuit which 'shapes' the linear output of the thrust lever so that the steady-state ship speed is linear with respect to that lever's setting is the _____________. EL-0095 A. 'pitch controller' B. 'error amplifier' C. 'function generator' D. 'servo amplifier'
Description : Vehicle will accelerate as long as A. air resistance is greater than thrust B. air resistance is greater than inertia C. thrust is greater than air resistance and friction D. friction is greater than thrust
Last Answer : thrust is greater than air resistance and friction
Description : In the expression of dynamic load capacity P=XVF r + YF a , Y stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (c) Thrust load factor
Description : In the expression of dynamic load capacity P=XVF r + YF a , X stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (b) Radial load factor
Description : In the expression of dynamic load capacity P=XVF r + YF a , V stands for? (a) Race rotation factor (b) Radial load factor (c) Thrust load factor (d) Service factor
Last Answer : (a) Race rotation factor