Description : If A -3n plus 2 and B 5n - 7 what is the value of A - B in simplest form?
Last Answer : A - B = -3n + 2 - (5n - 7) = -3n + 2 - 5n + 7 = 9 - 8n
Description : During vibrations any machine has unbalanced force of 392N and if it transmitted force of magnitude 58.3N then transmissibility value is A 0.481 B 0.822 C 0.148 D 0.296
Last Answer : C 0.148
Description : Why are some people so damn worried about what other people's sexual orientations or preferences are?
Last Answer : this
Description : Two compounds have the same composition and also have the same atoms attached to the same atoms, although with different orientations in space. These compounds are (a) Identical (b) Position isomers (c) Structural isomers (d) Stereoisomers
Last Answer : Stereoisomers
Description : The two dimensions of conflict-handling orientations are: (a) awareness and assertiveness. ; (b) reliability and awareness. (c) cooperativeness and assertiveness. ; (d) independence and interdependence.
Last Answer : (c) cooperativeness and assertiveness. ;
Description : Hw may spatial orientations are possible in the following compound ?
Last Answer : Hw may spatial orientations are possible in the following compound ? A. 2 B. 8 C. 6 D. 4
Description : Which type of departmentalization achieves economies of scale by placing people with common skills and orientations into common units? (a) Geographic ; (b) Product ; (c) Process ; (d) Functional
Last Answer : (d) Functional
Description : Which one of the following conflict-handling orientations represents an attempt to find a win-win solution? (a) avoiding ; (b) collaborating ; (c) accommodating ; (d) compromising
Last Answer : ; (b) collaborating ;
Description : two soccer players kick the same 2-kg ball at the same time in opposite directions One kicks with a force of 15N the other kicks with a force of 5N. what is the resulting acceleration of the ball, in m/s2?
Last Answer : 5
Description : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.
Last Answer : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.
Description : According to law of triangle of forces (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side ... point are in equilibrium, each force is proportional to the sine of the angle between the other two
Last Answer : (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
Description : According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to ... point are in equilibrium, each force is proportional to the sine of the angle between the other two
Last Answer : Answer: Option D
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 : what is the verbal description for 100-5n?
Last Answer : 105
Description : 4(5n-7)=10n+2?
Last Answer : n=3
Description : Determine the viscous damping coefficient if damper offers resistance 0.05N at constant velocity 0.04m/sec A 0.8N-sec/m B 1.5N-sec/m C 2.5N-sec/m D 1.25N-sec/m
Last Answer : D 1.25N-sec/m
Description : A spring-mass system has a natural frequency of 10 rad/sec. When the spring constant is reduced by 800 N/m, the frequency is altered by 45 percent. Find the mass and spring constant of the original system. a)11.47kg and 1147.95N/m b)8.95kg and 895.25N/m c) 7.265kg and 726.5N/m d)None
Last Answer : a)11.47kg and 1147.95N/m
Description : If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is (A) P (1 + r)n (B) P (1 - r)n (C) P (1 + r)-n+5 (D) P (1 + r)5n
Last Answer : Answer: Option C
Description : The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2 and the modular ratio ... in the steel will (a) 130N/mm2 (b) 135N/mm2 (c) 160N/mm2 (d) 180N/mm2
Last Answer : (b) 135N/mm2
Description : The compressive strength an ordinary Portland cement (1:3) after 7 days test should not be less than. (a) 11N/mm2 (b) 17.5 N/mm2 (c) 22 N/mm2 (d) 27.5N/m2
Last Answer : (b) 17.5 N/mm2
Description : When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes
Last Answer : c. equal in magnitude
Description : two forces acting at a joint are not along the straight line, then for the equilibrium of the joint (A) One of the forces must be zero (B) Each force must be zero (C) Forces must be equal and of the same sign (D) Forces must be equal in magnitude but opposite in sign
Last Answer : (B) Each force must be zero
Description : Two forces have magnitudes of 11 newtons and 5 newtons. The magnitude of their sum could NOT be equal to which of the following values? w) 16 newtons x) 5 newtons y) 9 newtons z) 7 newtons
Last Answer : ANSWER: X -- 5 NEWTONS
Description : If two equal forces of magnitude P act at an angle 9°, their resultant will be
Last Answer : If two equal forces of magnitude P act at an angle 9°, their resultant will be IP cos 9/2.
Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem
Last Answer : c. Law of polygon of forces
Description : If three non-parallel forces hold a rigid body in equilibrium, they must a.be non-coneurrent b.be colinear c.107 dynes d.be equal in magnitude e.be concurrent
Last Answer : e. be concurrent
Description : Consider the following pair of forces of equal magnitude and opposite directions
Last Answer : Consider the following pair of forces of equal magnitude and opposite directions: (P) Gravitational forces are ... C) Only R (D) Only Q and R
Description : Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism
Last Answer : (B) Magnitude of intermolecular forces
Description : Pick out the wrong statement. (A) Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive forces (B) A hydrometer used for the determination of ... Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure & velocity at a poin
Last Answer : (C) In case of unsteady fluid flow, the velocity at any given point does not change with time
Description : Which is the correct statement about law of polygon of forces? (A) If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the ... direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
Last Answer : (D) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
Description : A complementary shear stress is equal in magnitude and opposite in rotational tendency of an applied (a) Tensile stress (b) Compressive stress (c) Shear stress (d) None
Last Answer : (c) Shear stress
Description : A weight of 50 N is suspended from a spring of stiffness 4000N/m and subjected to a harmonic force of magnitude 60N and frequency 60 Hz. what will be the static displacement of the spring due to maximum applied force A. 0.015m B. 0.15 m C. 15 m D. 150m
Last Answer : B. 0.15 m
Description : The electrostatic energy in an electric field does not depend on which of the following? a) Magnitude of charges b) Permittivity c) Applied electric field d) Flux lines
Last Answer : c) Applied electric field
Description : . A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid. (A) Newtonian (B) Non-Newtonian (C) Ideal (D) Incompressible
Last Answer : (A) Newtonian
Description : Gradually applied static loads do not change with time their (A) Magnitude (B) Direction (C) Point of application (D) All the above
Last Answer : (D) All the above
Description : The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is (A) 1 (B) 2 (C) 3 (D) 1/2
Last Answer : (B) 2
Description : Magnitude of shear stress induced in a shaft due to applied torque varies from a. Maximum at centre to zero at circumference. b. Maximum at centre to minimum (not-zero) at circumference. c. Zero at centre to maximum at circumference. d. Minimum (not zero) at centre to maximum at circumference.
Last Answer : c. Zero at centre to maximum at circumference.
Description : A force applied to a rocket gives it an upward acceleration equal to 2 times the acceleration of gravity. The magnitude of the force is equal to: w) the weight of the rocket x) twice the weight of the rocket y) three times the weight of the rocket z) four times the weight of the rocket
Last Answer : ANSWER: Y -- THREE TIMES THE WEIGHT OF THE ROCKET
Description : Three capacitors with different capacitances are connected in series. Which of the following statements is TRUE? w) All three of the capacitors have the same potential difference between their plates. x ... y) The capacitance of the system depends on the voltage applied across the three capacitors.
Last Answer : ANSWER: X -- THE MAGNITUDE OF THE CHARGE IS THE SAME ON ALL OF THE CAPACITOR PLATES
Description : Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside the capacitor?
Last Answer : ANSWER: 250 VOLTS PER METER or 250 NEWTONS PER COULOMB
Description : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is
Last Answer : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The ... `(mu_(0)I)/(2sqrt(2)pir)` D. zero
Description : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B
Last Answer : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists ... sqrt(3)IB` C. `sqrt(2I) lB` D. 2Ilb
Description : In the arrangement shown, the magnitude of each resistance is `1Omega`. The equivalent resistance between O and A is given by
Last Answer : In the arrangement shown, the magnitude of each resistance is `1Omega`. The equivalent resistance between O and A is ... )/(3)Omega` D. `(5)/(6)Omega`
Description : The magnitude and direction of the current in the circuit shown will be
Last Answer : The magnitude and direction of the current in the circuit shown will be A. `(7)/(3)A` from a to e B. `(7)/ ... e C. 1A from b to e D. 1A from a to e
Description : As shown in the illustration, a 'pitch cutback' feature is incorporated in the system. This circuit reduces pitch amount to prevent engine overload when it senses ____________. EL-0095 A. pitch error of ... servo' C. excessive propeller speed or fuel to either engine D. only one engine on the line
Last Answer : Answer: C
Description : The distance moved and the magnitude of displacement are equal in ? (a) The earth is revolving around the Sun (b) Object moving in circular path (c) The pendulum is moving to and fro (d) Object moving on straight road -Science
Last Answer : (d) only. Distance and displacement in all other cases
Description : Are the normal force and the force of gravity on an object on a surface always equal in magnitude?
Last Answer : Yes, they are.
Description : The average speed of a moving object during a given interval of time is always: A. the magnitude of its average velocity over the interval B. the distance covered during the time ... its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval
Last Answer : B. the distance covered during the time interval divided by the time interval (Answer)
Description : A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N
Last Answer : (c) 689.7N and 4310.3N