Description : What are the energy transfers of the six simple machines for example an incline plane is gravitational potential energy to mechanical energy. I want to know what are the other fives and for levers I would like to know class one and class 2?
Last Answer : \Delta E\Delta t\geq
Description : The mechanical brakes are operated by means of (A) levers (B) bell cranks (C) cams (D) all of the above
Last Answer : (D) all of the above
Description : What is the main advantage of hydrodynamic bearing over roller bearing? (a) Easy to assemble [IES-2005] (b) Relatively low price (c) Superior load carrying capacity at higher speeds (d) Less frictional resistance
Last Answer : (c) Superior load carrying capacity at higher speeds
Description : In actual machines a.Mechanical advantage is unity b.Mechanical advantage is greater than velocity ratio c.Mechanical advantage is less than velocity ratio d.Mechanical advantage is less than unity e.Mechanical advantage is equal to velocity ratio
Last Answer : c. Mechanical advantage is less than velocity ratio
Description : In actual machines (A) Mechanical advantage is greater than velocity ratio (B) Mechanical advantage is equal to velocity ratio (C) Mechanical advantage is less than velocity ratio (D) Mechanical advantage is unity
Last Answer : (C) Mechanical advantage is less than velocity ratio
Description : In ideal machines (A) Mechanical advantage is greater than velocity ratio (B) Mechanical advantage is equal to velocity ratio (C) Mechanical advantage is less than velocity ratio (D) Mechanical advantage is unity
Last Answer : (B) Mechanical advantage is equal to velocity ratio
Description : The type of spring used to absorb and release energy in mechanical watches is (A) Helical extension spring (B) Multi-leaf spring (C) Spiral spring (D) Helical torsion spring
Last Answer : (C) Spiral spring
Description : The inner diameter of washer is (A) Equal to the nut size (B) More than the nut size (C) Less than the nut size (D) Independent of the nut size
Last Answer : (B) More than the nut size
Description : A coupling is a mechanical device that temporarily joins two rotating shafts to each other. a) True b) False
Last Answer : b) False
Description : Which of the following factors affect the mechanical properties of a material under applied loads? a) Content of alloys b) Grain size c) Imperfection and defects d) Shape of material
Last Answer : d) Shape of material
Description : Flywheel absorbs energy during those periods of crank rotation when 1. The twisting moment is greater than the resisting moment 2. The twisting moment is equal to the resisting moment 3. The twisting moment is less than resisting moment 4. The load on engine falls
Last Answer : 1. The twisting moment is greater than the resisting moment
Description : The advantage of a welded joint over a riveted joint is (i) Introduce residual stresses (ii) Requires highly skilled labor and supervision (iii) Lighter in weight (iv) None
Last Answer : (iii) Lighter in weight
Description : The main advantage of sunk key is that it is a _____ drive. a) Positive b) Negative c) Neutral d) None of the listed
Last Answer : a) Positive
Description : The real application of knuckle joint is used to connect three rods - two with forks and a third with the eye. A. True B. False
Last Answer : A. True
Description : I have a Barwick Wall clock Model #4994. First, how old is it And second , what are the levers on the sides of the dial at 3 and 9 o'clock It has a pendulum?
Last Answer : minutes
Description : bushog control levers
Last Answer : Need Answer
Description : There is a close reciprocal relationship between social class and education. Explain how education is one of the main levers of social class.
Last Answer : Give your personal response : There is a close reciprocal relationship between social class and education ... one of the main levers of social class.
Description : What body parts of the body act as levers?
Last Answer : neck joint, elbow, shoulder , lumbar4&5, base of finger joints , toes joints to foot.
Description : What three parts of the ear act as levers?
Last Answer : the anvil,hammer, and the stirrup
Description : How are levers and wheels and axles different?
Last Answer : Feel Free to Answer
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
Last Answer : Answer: A
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 : 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 : The expansion of the definition of marketing to include nonbusiness activities adds which one of these examples to the field of marketing? VU Cafeteria A)Proctor and Gamble selling toothpaste. B)St. ... selling soft drinks. D)Lever's donating 25 pence to a charity with every pack purchased.
Last Answer : C)PepsiCo selling soft drinks.
Description : When a coupler nut is subjected to crushing stress, crushing failure can be avoided if _____ a. crushing stress induced is more than permissible crushing stress in the nut b. permissible crushing ... threads c. crushing stress induced is equal to permissible crushing stress d. all of the above
Last Answer : b. permissible crushing stress is more than crushing stress induced in the threads
Description : The length to diameter ratio for a square bearing is (A) More than 1 (B) Less than 1 (C) 8 (D) 1
Last Answer : (D) 1
Description : In case of partial bearing, the angle of contact of the bushing with the journal is (A) 270° (B) More than 180° (C) Less than 180° (D) 360°
Last Answer : (C) Less than 180°
Description : The length to diameter ratio for a short bearing is (A) More than 1 (B) Less than 1 (C) 8
Last Answer : (B) Less than 1
Description : The helix angle in case of closely coiled helical spring is (A) less than 5° (B) 5° to 7° (C) 7° to 10° (D) more than 10°
Last Answer : (D) more than 10°
Description : The helix angle in case of closely coiled helical spring is (A) less than 10° (B) 10° to 15° (C) 15° to 20° (D) more than 20°
Last Answer : (A) less than 10°
Description : Temperature rise in partial bearing is ____ than full bearing. a) Lesser b) Greater c) Equal
Last Answer : a) Lesser
Description : Coarse threads have helix angle _____ fine threads. a) Equal to b) Greater than c) Lesser than d) There is no relation
Last Answer : c) Lesser than
Description : The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. a) Lesser than b) Equal to c) Greater than d) No effect
Last Answer : b) Equal to
Description : Self-locking takes place when a) Coefficient of friction is equal to or greater than the tangent of the helix angle b) Coefficient of friction is lesser than or equal to the tangent of the helix ... friction is equal to or greater than the tangent of the helix angle d) None of the mentioned
Last Answer : c) Coefficient of friction is equal to or greater than the tangent of the helix angle
Description : Tapered roller bearings can take (a) radial load only (b) axial load only (c) both radial and axial loads and the ratio of these being greater than unity (d) both radial and axial loads and the ratio of these being less than unity
Last Answer : (c) both radial and axial loads and the ratio of these being greater than unity
Description : Which of the following requires more space for the rotation of spanner? a) Square Head b) Hexagonal Head c) Both require equal space of rotation d) Cannot be stated
Last Answer : a) Square Head
Description : As compared with oil with VI=80, a lubricating oil with VI=90 (A) Has more viscosity (B) Has less viscosity (C) Has more rate of change of viscosity with respect to temperature (D) Has less rate of change of viscosity with respect to temperature
Last Answer : (D) Has less rate of change of viscosity with respect to temperature
Description : Process of welding with respect to riveting takes a. More time b. Less time c. Same time d. None
Last Answer : b. Less time
Description : The distribution of the forces along the length of key fitted in a shaft (A) Varies linearly (B) Is uniform throughout (C) Varies exponentially, being more near the torque-input end (D) Varies exponentially, being less near the torque-input end
Last Answer : (C) Varies exponentially, being more near the torque-input end
Description : When comes down to stress reduction, which one is preferred? a) Solid flywheel b) Split flywheel c) Both have equal stresses d) Cannot be determined
Last Answer : b) Split flywheel
Description : A clearance bearing is design accurately to keep the radius of journal and bearing equal. a) Journal radius is kept larger b) Journal radius is kept smaller c) True d) Can’t be determined
Last Answer : b) Journal radius is kept smaller
Description : For two springs connected in parallel, net force is equal to the sum of force in each spring. a) True b) False
Last Answer : a) True
Description : For two springs connected in series, the net deflection is equal to the sum of deflection in two springs. a) True b) False
Description : For two spring connected in series, the force acting on each spring is same and equal to half of the external force. a) True b) False
Description : A spring of stiffness constant k is cut in two equal parts. The stiffness constant of new spring will be k/2. a) True b) False
Description : The strength of a welded joint with respect to a riveted joint is a. Greater b. Smaller c. Equal d. None
Last Answer : a. Greater
Description : Efficiency of a welded joint with respect to a riveted joint is a. Smaller b. Equal c. Greater
Last Answer : c. Greater
Description : The length of each of the two equal sides of a parallel fillet weld is called a) Leg b) Throat c) Arm d) None of the listed
Last Answer : a) Leg