Description : In case of partial bearing, the angle of contact of the bushing with the journal is usually (A) 120° (B) 180° (C) 45° (D) 360°
Last Answer : (A) 120°
Description : In case of full journal bearing, the angle of contact of the bushing with the journal is (A) 60° (B) 90° (C) 180° (D) 360°
Last Answer : (D) 360°
Description : The H–C–H bond angle in ethylene is (a) 60° (b) 120° (c) 90° (d) 180°
Last Answer : 120°
Description : What is the phase relationship of the signal at the collector of Q2 to the signal at the collector of Q, A) 0° B) 90° C) 180° D) 360°.
Last Answer : C) 180°
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 : A traverse deflection angle is (A) Less than 90° (B) More than 90° but less than 180° (C) The difference between the included angle and 180° (D) The difference between 360° and the included angle
Last Answer : (C) The difference between the included angle and 180°
Description : Phase difference between a node and an antinode is A. 90° B. 45° C. 180° D. 360°
Last Answer : 180°
Description : If isolation factor is negative, then what is the phase difference between transmitted and disturbing force? a) 180° b) 90° c) 450° d) 360°
Last Answer : a) 180°
Description : Which of the following is closest to the C–O–C bond angle in CH3–O–CH3? (a) 180° (b) 120° (c) 109.5° (d) 90°
Last Answer : 109.5°
Description : What is bond angle between the hybrid orbitals in methane? (a) 180° (b) 120° (c) 109.5° (d) 115.5°
Description : At what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump? (A) 40° and 140° (B) 45° and 60° (C) 90° and 80° (D) 20° and 120°
Last Answer : (A) 40° and 140
Description : The bond angle between carbon atoms in cyclohexane is (a) 60° (b) 90° (c) 109.5° (d) 120°
Description : The bond angle between carbon atoms in cyclohexane is (a) 109°28' (b) 60° (c) 90° (d) 120°
Last Answer : 109°28'
Description : The H–C–C bond angle in ethane is (a) 60° (b) 109.5° (c) 120° (d) 118°28′
Description : If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is (A) 30° (B) 60° (C) 90° (D) 120°
Last Answer : D
Description : ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is (A) 90° (B) 120° (C) 210° (D) 270°
Last Answer : (C) 210°
Description : A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°
Last Answer : (A) 45°
Description : What is the value of included angle of a triangular notch for maximum discharge? (A) 30° (B) 60° (C) 90° (D) 120°
Last Answer : (C) 90°
Description : In the illustrated circuit, what is the phase relationship of the amplifier output compared to the input? EL-0022 A. 0° in-phase B. 180° out of phase C. phase angle of the input divided by power factor D. unable to determine without the value of the bias voltage
Last Answer : Answer: B
Description : What will be the frequency of a three-phase, six pole, AC generator operating at 1800 revolutions per minute? A. 60 hertz B. 90 hertz C. 120 hertz D. 180 hertz
Description : In two stroke engine one power occurs in _______ of crank rotation A. 180° B. 360° C. 270° D. 720°
Last Answer : ANSWER : B
Description : In four stroke engine there is one power stroke in _____ of crankshaft rotation. a. 180° b. 360° c. 540° d. 720° (Ans:d)
Last Answer : The ascending order of strokes in four stroke engine is a. Suction stroke - Expansion stroke - Compression stroke - Exhaust stroke b. Suction stroke - Compression stroke - Expansion stroke -Exhaust ... stroke d. Suction stroke - Compression stroke - Exhaust stroke - Expansion stroke (Ans:b)
Description : The degree measure of Prime Meridian is - (1) 90° (2) 180° (3) 0° (4) 360°
Last Answer : (3) 0° Explanation: A prime meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is de fined to be 0°.
Description : Number of degree a complete circle represents is A. 90° B. 180° C. 270° D. 360°
Last Answer : 360°
Description : If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to (A) 0° (B) 90° (C) 180° (D) 360°
Description : Back bearing of a line is equal to (A) Fore bearing ± 90° (B) Fore bearing ± 180° (C) Fore bearing ± 360° (D) Fore bearing ± 270°
Last Answer : (B) Fore bearing ± 180°
Description : What is the main function in the use of a capacitor for starting a single phase motor? A. Reduce radio interference B. Split the phase to establish a rotating magnetic field C. Reduce the phase angle D. Prolong the life of the starting contacts
Description : In the following figure ABCD is a cyclic quadrilateral, the sum of degree measures of ∠A and ∠D is: (SOURCE: Fig. 3.7, Exercise 3.7, Chapter 3, PAIR of LINEAR EQUATIONS in TWO VARIABLES, NCERT, Class X) (a) 120° (b) 180° (c) 230°(d) 250°
Last Answer : (c) 230°
Description : The bond angles associated with the hybrid orbitals of a carbon involved in a triple bond is (a) 180° (b) 120° (c) 109° (d) 45
Last Answer : 180
Description : If whole circle bearing of a line is 120°, its reduced bearing is (A) S 20° E (B) S 60° E (C) N 120° E (D) N 60° E
Last Answer : (B) S 60° E
Description : An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a ____________. A. magnetic amplifier B. ship's service alternator C. three-wire DC generator D. saturable core reactor
Description : A 3-phase, 4-pole, 50Hz induction motor runs at a speed of 1440 rpm. The rotating field produced by the rotor rotates at a speed of ________ rpm with respect to stator field. (A) 1500 (B) 0 (C) 1440 (D) 60
Last Answer : 0
Description : Which of the following statements is not true about propyne, HC–C≡CH3? (a) It contains six sigma bonds. (b) It contains three pi bonds. (c) The H–C–H bond angle is about 109.5°. (d) The C–C–C bond angle is 180°.
Last Answer : It contains three pi bonds
Description : A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. (A) 60° (B) 90° (C) 180° (D) 270°
Last Answer : (B) 90°
Description : The most common type of AC service generator found aboard ship is the stationary _____________. A. electromagnetic field, revolving armature type B. electromagnetic field, oscillatory armature type C. armature, oscillatory electromagnet field type D. armature, rotating electromagnetic field type
Last Answer : Answer: D
Description : If an AC generator experiences voltage failure, the cause may be _____________. A. an open in the field circuit B. the brushes shifting out of the neutral plane C. excessive locked-rotor current D. a rotating slip ring
Last Answer : Answer: A
Description : The most practical way to control the voltage output of an AC generator is to vary the _____________. A. number of windings B. speed of the rotating field C. strength of the rotating magnetic field D. power factor of the load
Last Answer : Answer: C
Description : In a three-phase, squirrel-cage type, induction motor the rotating magnetic field is established by the _____________. A. current induced in the rotor windings B. application of a three-phase voltage ... caused by the induced current in the squirrel-cage bars with the magnetic field of the stator
Description : A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at 1440 rpm. The electrical frequency in Hz of the induced negative sequence current in the rotor is (A) 100 (B) 98 (C) 52 (D) 48
Last Answer : A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at 1440 rpm. The electrical frequency in Hz of the induced negative sequence current in the rotor is 98
Description : The slip of 400 V, three phase, 4 -pole induction motor when rotating at 1440 rpm is
Last Answer : The slip of 400 V, three phase, 4 -pole induction motor when rotating at 1440 rpm is 4 percent
Description : Brushes in a generator must be positioned in the neutral plane to avoid sparking between the brushes and the _____________. A. yoke B. armature windings C. field pole windings D. commutator
Description : A four pole, 60 Hz, three-phase synchronous motor comes up to 1760 RPM when started as an induction motor. What is the percent slip after the rotor field is energized? A. 0 B. 1.1 C. 2.2 D. 3.3
Description : A separately excited d.c. motor fed from single phase full converter with firing angle 60° runs at 1000 r.p.m. If motor is connected to single phase semiconverter with the same firing angle of 60°, it would run at (a) 2000 rpm (b) 1850 rpm (c) 1500 rpm (d) 1000 rpm
Last Answer : Ans =1500
Description : Which of the following problems will occur if the circuit breaker of the incoming alternator is closed and it is 180° out of phase with the loaded alternator when paralleling? A. The rotor of the ... The rotor of the incoming alternator will stop. D. Both alternators will parallel 180° out of phase.
Description : When paralleling two alternators the synchronizing lamps grow dim and are totally darkened as the synchroscope pointer approaches the 0° position. This indicates the ____________. A. alternator voltages ... alternator is in phase with the bus voltage D. synchroscope pointer is defective or broken
Description : As shown in the illustration, the motor generator(M-G) set's three-phase motor drives the ______________. EL-0101 A. motor and the generator B. motor and the exciter C. generator and the exciter D. main field and the interpole field
Description : As shown in the illustration, the D.C. motor's direction of rotation in changed by changing the _________________. EL-0101 A. polarity of the generator field B. direction of three-phase motor rotation C. direction of generator rotation D. polarity of the motor field
Description : As shown in the illustration, the M-G set's three-phase motor drives the ______________. EL-0101 A. motor and the generator B. motor and the exciter C. generator and the exciter D. main field and the interpole field
Description : In the illustrated device, the part labeled '1A' _________. EL-0001 A. are start and run windings for a single phase shaded pole induction motor B. is the stator for a polyphase induction ... armature for a squirrel cage rotor motor D. are direct current shunt field windings for a universal motor
Description : In an AC generator, direct current from a separate source is passed through the windings of the rotor _____________. A. by means of slip rings and brushes B. by means of a commutator C. by means of rotating bar magnet D. to minimize the danger of arc over