Description : The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of a block along with the table,
Last Answer : The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of ... of F2 adds up to the opposing force.
Description : A block of mass 2 kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1 kg/s with speed 5 m/s. The initial accel
Last Answer : A block of mass 2 kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1 kg/s ... `10 m//s^(2)` D. `15 m//s^(2)`
Description : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3.
Last Answer : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction ... force required to just move the block horizontally.
Description : A body of mass 37 kg rests on a rough horizontal surface. The minimum horizontal force required to just start the motion
Last Answer : A body of mass 37 kg rests on a rough horizontal surface. The minimum horizontal force required to just start the ... ) µs = 0.188 b) µk = 0.118
Description : Why force of static friction is known as ‘self-adjusting force?
Last Answer : Why force of static friction is known as ‘self-adjusting force?
Description : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg`
Last Answer : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The ... . 2 m/s D. `4sqrt(2) ` m/s
Description : The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate
Last Answer : Ans: A
Description : A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if (A) The floor is smooth, the wall is rough (B) The floor is rough, the wall is smooth (C) The floor and wall both are smooth surfaces (D) The floor and wall both are rough surfaces
Last Answer : (C) The floor and wall both are smooth surfaces
Description : Question No. 205 The pile which supports the load partly by friction and partly by resting on hard stratum, is called (A) Friction pile (B) Bearing pile (C) Friction bearing pile (D) Rough pile
Last Answer : Answer: Option C
Description : Kabi buys wheat at Rs. 15/kg and puts a price tag on it so as to earn a profit of 10%. However, his faulty balance shows 1000 gm when it is actually 900 gm. What is his actual gain percentage?
Last Answer : CP of 1000gm = Rs. 15 SP of 900gm = Rs. 16.5 SP of 1000gm =16.5x1000/900 = Rs. 18 Now take 1000gm as reference to calculate profit. Profit=SP-CP=18-15=Rs. 3 Profit % = 3x100/15 = 20%
Description : What is the force on an object that goes from 35 ms to 85 ms in 20 second and has a mass of 148 kg?
Last Answer : Feel Free to Answer
Description : An 8 kilogram mass resting on a frictionless horizontal surface is attached to a spring with a force constant of 50 Newtons per meter. If the velocity of the mass through the equilibrium position is 5 meters per second, what is the mass's maximum displacement from equilibrium?
Last Answer : ANSWER: 2 METERS
Description : The presence of standing waves on a transmission line is the result of A. a high level of attenuation on the line. B. terminating the line by a resistive load equal in value to the surge impedance ... input power to below its critical level. D. an impedance mismatch between the load and the line.
Last Answer : D. an impedance mismatch between the load and the line.
Description : Stress is (a)External force (b)Internal resistive force (c)Axial force (d)Radial forcee
Last Answer : (b)Internal resistive force
Description : Which of the following statements(s) is/are true concerning human energy requirement? a. In normal subjects, less than 5% of basal energy requirement is spent on cardiac output and the ... d. Similar increases in energy expenditures are associated with elective surgery and trauma or thermal injury
Last Answer : Answer: a, c Basal energy requirements are measured with the subject at rest when no external work is being done; the energy is used mainly for transport and synthetic work within cells. A ... average-sized adult who sustains a major burn rarely may require more than 3500 kcal/day for maintenance
Description : Compared to the resting state, vigorously contracting muscle shows (A) An increased conversion of pyruvate to lactate (B) Decreased oxidation of pyruvate of CO2 and water (C) A decreased NADH/NAD+ ratio (D) Decreased concentration of AMP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 21
Last Answer : A
Description : What force is necessary to hold a weight of 100 kg suspended on a rope wrapped 3 times around a post ( a.0.35 b.0.8 c.1.46 d.2.85 e.107 dynes
Last Answer : a. 0.35
Description : The _____________ sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel. a) engine temperature b) exhaust gas c) air flow d) air inlet temperature
Last Answer : Answer: c Explanation: The air flow sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel while exhaust gas senor senses the amount of oxygen in the engine exhaust and calculates air-fuel ratio.
Description : A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural ... , are a) 0.471 and 1.19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz
Last Answer : a) 0.471 and 1.19 Hz
Description : A gun barrel of mass 600 Kg has a recoil spring of stiffness 294 KN/m. If the barrel recoils 1.3 m on firing, what will be the initial recoil velocity of the barrel? (A) 28.77 m/s (B) 32.77 m/s (C) 35.77 m/s (D) 40.77 m/s
Last Answer : (A) 28.77 m/s
Description : A cantilever shaft having 50 mm diameter and a length of 300 mm has a disc of mass 100 kg at its free end. The Young’s modulus for the shaft material is 200 GN/m 2 . Determine the frequency of transverse vibrations of the shaft. a) 31 b) 35 c) 37 d) 41
Last Answer : d) 41
Description : A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural ... .19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz d) 0.666 and 8.50 Hz
Description : A merchant dealer gives successive discounts of 10% and 20% in that order and makes a profit of 20%. what will be the profit if he offers a single flat discount of 30%? a) 20% b) 16.67% c) 18% d) 14% e) None of these
Last Answer : let marked price be 100. SP with 10%, 20% = 80% of (90% of 100) = 72. profit = 20% so CP = 72/1.20 = Rs. 60 by offering a flat discount of 30%, sales price = 70% of 100 = 70 profit = (70 - 60) ×100 / 60 = 16.67% Answer: b)
Description : The figure given below shows a small part of human lung where exchange of gases takes place. In which one of the options given below, the one part, A,
Last Answer : The figure given below shows a small part of human lung where exchange of gases takes place. In which ... red blood cell-transport of `CO_(2)` mainly
Description : The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), ( C ) and (D). Select the part correctly matched with i
Last Answer : The figure below shows the structure of a mitochondrion with its four parts labelled (A), ... - possess single circular DNA molecule and ribosomes
Description : A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them. ... the growth rate. (d) A is more recent and shows slight reduction in the growth rate.
Last Answer : (d) “A” is more recent and shows slight reduction in the growth rate.
Description : The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 ... - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers
Last Answer : (c) C - extension in the presence of heat stable DNA polymerase
Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly
Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases
Description : The figure given Progress of Reaction Product Substrate B A C D below shows the conversion of a substrate into product by an enzyme. In which one of the four options (A-D ... enzyme enzyme (d) Activation Transition Activation Potential energy state energy energy with without enzyme enzyme
Last Answer : (b) Transition Potential Activation Activation state energy energy energy without with enzyme enzyme
Description : The figure below shows the structure of a mitochondrion with its four parts labelled A, B, C and D. Select the part correctly matched with its function. D B A C (a) D (outer ... possesses single circular DNA molecule and ribosomes (d) A (matrix) - major site for respiratory chain enzyme
Last Answer : (b) B (inner membrane) – forms infoldings called cristae
Description : A solid created by rotating a planar-shape about an axis is called a “Surface of Revolution”. The figure below shows a shape and the axis of revolution which is used to create such a solid. Which of the options would be the correct top view of this solid?
Last Answer : B
Description : A 2 kg block is dropped from a height of 4 metre onto a spring of force constant k = 1960 N/m. The spring will be compressed through a.1 cm b.4.5 cm c.3 cm d.8 cm e.107 dynes
Last Answer : d. 8 cm
Description : A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above
Last Answer : a. About 16?
Description : Been a rough summer for television. What shows were your favs?
Last Answer : the only remedy to summer crap is to go off the beaten path.. cable winners, like the Daily Show, The Shield, and Damages all ran new (and good) episodes over the summer.
Description : Which one of the following organelle in the figure correctly matches with its function? (a) Golgi apparatus, formation of glycolipids (b) Rough endoplasmic reticulum, protein synthesis (c) Rough endoplasmic reticulum, formation of glycoproteins (d) Golgi apparatus, protein synthesis
Last Answer : (b) Rough endoplasmic reticulum, protein synthesis
Description : Which of the following content is allowed as per virtual appliance block diagram shown below? a) Table b) Image c) Documents d) All of the mentioned
Last Answer : All of the mentioned
Description : Figure shows, three long straight wires parallel and equally speed with identical currents. Then, the force acting on each wire due to the other is
Last Answer : Figure shows, three long straight wires parallel and equally speed with identical currents. Then, the force acting on ... `F_(b) gt F_(a) gt F_(c)`
Description : A mass of 1 kg is attached to two identical springs each with stiffness k = 20 kN/m as shown in the figure. Under frictionless condition, the natural frequency of the system in Hz is close to * 1 point (A) 32 (B) 23 (C) 16 (D) 11
Last Answer : (A) 32
Description : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be (A) Downwards at its upper end (B) Upwards at its upper end (C) Perpendicular to the wall at its upper end (D) Zero at its upper end
Last Answer : (D) Zero at its upper end
Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be (A) Towards the wall at its upper end (B) Away from the wall at its upper end (C) Upwards at its upper end (D) Downwards at its upper end
Last Answer : (C) Upwards at its upper end
Description : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?
Last Answer : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.
Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?
Last Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.
Description : How much energy is required to vaporize kg of aluminum use the table below and this equation Q equals ml vapor?
Last Answer : 2200 kj
Description : River Alaknanda forms confluences (Prayags) in Uttrakhand. Match the codes given in Figure with Table (Prayags) and select the correct answer using the code given below. Figure Table (Pr ayags) D A L A K N A N D A C B A I. Karn Prayag II. Rudra Prayag III. Nand Prayag IV. Vishnu Prayag
Last Answer : (1) A-II, B-I, C-III, D-IV
Description : In 1 kg mixture of sand and iron, 20% is iron. How much sand should be added so that the proportion of iron becomes 10%? a) 1 kg b) 200 gms c) 800 gms d) 1.8 kg e) None of these
Last Answer : Answer: A If we add x grams of sand, the total amount would be 1,000 + x grams of mixture and we need 200 grams of iron to be 10% of that: 0.1(1,000 + x) = 200 --> x = 1,000.
Description : The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error ... 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5
Last Answer : (A) 1, 3, 2, 4, 5
Description : Reasons for holding cash balances in excess of the prescribed maximum an below prescribed minimum and the reasons for holding stamps balances excess should be recorded in a) Postmaster daily dairy b) Rough daily account c) Daily account cash excess column d) Remarks column of daily account
Last Answer : d) Remarks column of daily account
Description : Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic ... viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)
Last Answer : (a) (v) (iv) (viii) (iii)
Description : Which of the following is not a characteristic observed in material failure by fatigue fracture? (A) Plastic deformation of material does not occur (B) Initiation of crack from below the surface does ... (D) Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Last Answer : Option B