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 : Saddle key is more suitable than sunk key for heavy duty applications. a) True b) False
Last Answer : b) False
Description : A sunk key fits in the keyway of the _____ only. a) Hub b) Sleeve c) Both hub and sleeve d) Neither hub nor sleeve
Last Answer : a) Hub
Description : In sunk key no slips occurs A. True B. False
Last Answer : A. True
Description : Sunk key fits in the keyway of the .......... only. A. Sleeve B. Hub C. Both sleeve and hub D. neither sleeve and hub
Last Answer : B. Hub
Description : In case of sunk key, (A) The keyway is cut in the shaft only (B) The keyway is cut in the hub only (C) The keyway is cut in both the shaft and the hub (D) None of the above
Last Answer : (C) The keyway is cut in both the shaft and the hub
Description : The key in the form of semi-circular disk of uniform thickness is called, (A) Sunk key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (C) Woodruff key
Description : The type of key used when the gear is required to slide on the shaft is (A) Sunk key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (B) Feather key
Description : Which among the following is the condition to avoid separation of connected members? a. Force acting on the connected members should be negative b. Force acting on the connected members should be ... acting on the connected members should be neither positive nor negative d. None of the above
Last Answer : a. Force acting on the connected members should be negative
Description : In Mohr's circle method, compressive direct stress is represented on ____ a. positive x-axis b. positive y-axis c. negative x-axis d. negative y-axis
Last Answer : c. negative x-axis
Description : The bending stress in a curved beam is A. Zero at the centroidal axis B. Zero at the point other than centroidal axis C. Maximum at the neutral axis D. None of these
Last Answer : B. Zero at the point other than centroidal axis
Description : The bending stress in a curved beam is (A) Zero at the centroidal axis (B) Zero at the point other than centroidal axis (C) Maximum at the neutral axis (D) None of these
Last Answer : (B) Zero at the point other than centroidal axis
Description : Is playing the numbers game more negative, neutral, or positive?
Last Answer : Overall I would have to say neutral. The numbers game IMO will play out much differently depending on the issue or task at hand.
Description : A hexa peptide with 5 aspartic acid would have a net charge at pH 7: (A) Neutral (B) Positive (C) Negative (D) Not predictable
Last Answer : Answer : C
Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.
Description : In the schematic diagram of the DC compound generator shown in the illustration, the positive ammeter reading is 500 amps and the negative ammeter reading is 475 amps. What is the current flow through the neutral bus? EL-0037 A. 0 amp B. 12.5 amp C. 25 amp D. 975 amp
Last Answer : Answer: C
Description : As the ahead valve opens as shown in the illustration, pin #5 of the Sensor ______________. EL-0099 A. becomes more negative B. becomes more positive C. approaches neutral point D. approaches ground potential
Last Answer : Answer: B
Description : A bus disconnect link is used to isolate _____________. A. one bus bar from another B. the generator circuit breaker from the bus C. different phases from the equalizer connection D. positive and negative buses from the neutral
Description : Which are more suitable normal form to be used with definite clause? a) Positive literal b) Negative literal c) Generalized modus ponens d) Neutral literal
Last Answer : c) Generalized modus ponens
Description : Which digital data encoding method records a digital one as a positive pulse and a digital (zero) as a negative pulse and returns the tape to neutral between pulses?
Last Answer : Return-to-zero (RZ) encoding.
Description : In liquids and gases the current is due to the motion a. negative charges b. positive charges c. both negative and positive charges d. neutral particles
Last Answer : c. both negative and positive charges
Description : When a semiconductor is doped with a P-type impurity, each impurity atom will (A) acquire negative charge. (B) acquire positive charge. (C) remain electrically neutral. (D) give away one electron.
Last Answer : (A) acquire negative charge.
Description : A good conductor while carrying current is (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : negatively charged
Description : Feather key can be used to prevent axial motion between two elements. a) True b) False
Description : Allen key is used to tighten (A) Cap screw with hexagonal head (B) Cap screw with fillister head (C) Cap screw with hexagonal socket head (D) Cap screw with flat head
Last Answer : (C) Cap screw with hexagonal socket head
Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed
Last Answer : b) 51.6N/mm2
Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed
Last Answer : b) 25.8N/mm2
Description : Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm2. The diameter of shaft and width of key can be taken as 40mm and 10mm respectively. a) 49mm b) 36mm c) 46mm d) 53mm
Last Answer : d) 53mm
Description : Woodruff key permits _____ movement b/w shaft and the hub. a) Axial b) Radial c) Eccentric d) None of the listed
Last Answer : b) Radial
Description : Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False
Description : Saddle key is transmit power or torque through friction resistant only A. True B. False
Description : Taper is given on key is generally.......... A. Top side only B. Bottom side only C. On both side D. Any side
Last Answer : A. Top side only
Description : Taper on rectangular sink key is ....... A. 1 in 16 B. 1 in 48 C. 1 in 100 D. 1 in 120
Last Answer : C. 1 in 100
Description : The compressive stress induced in a square key is, (A) Equal to shear stress (B) Four times of shear stress (C) Twice of shear stress (D) Half of shear stress
Last Answer : (C) Twice of shear stress
Description : While designing a flange coupling, care is taken so that (A) Shaft is the weakest component (B) Bolts are the weakest component (C) Key is the weakest component (D) The flange is the weakest component
Last Answer : (C) Key is the weakest component
Description : The key, which fits in the keyway of hub, only is called, (A) Saddle key (B) Feather key (C) Woodruff key (D) Kennedy key
Last Answer : (A) Saddle key
Description : The standard length for square or flat key in terms of shaft diameter (D) is, (A) d (B) 2d (C) 1.5d (D) 2.5d
Last Answer : (C) 1.5d
Description : Kennedy key is used in (A) Light duty applications (B) Heavy duty applications (C) High speed applications (D) Precision equipments
Last Answer : (B) Heavy duty applications
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 : In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a: [IES-2005] (a) Diverging film (b) Converging-diverging film (c) Converging film (d) Flat film
Last Answer : (c) Converging film
Description : What is the key defining characteristic of experimental research? a. Extraneous variables are never present b. Positive correlation usually exists c. A negative correlation usually exists d. Manipulation of the independent variable
Last Answer : d. Manipulation of the independent variable
Description : Do human beings only continue on living because of a negative or positive drive?
Last Answer : What do you mean by positive and negative drives?