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Question 65 – A differential equation is given as y” + 5y’ + 6y = 0, y(0) = 2 and y’(0) = 3. By using Laplace transform, an engineer has correctly produced the equation L {y} = (2s + 13) / [(s + 2)(s + 3)] = A / (s + 2) + B (s + 3). (a) Find the values of A and B. (b) The inversed Laplace transform of 1 / (s + a) is given by exp (-at) where a is a constant. If the statement : L {y} = 9 L { exp (-2t) } - 7 L { exp (-3t) } is correct, find the equation of y as a function of t as a solution to the differential equation stated in the beginning of this question. When L {d} = 9 L {b} - 7 L {c}, then d = 9b - 7c with b, c and d are unknowns.
1 2318Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?
1808How LVDT position transmitter works on DC supply(24vdc) from DCS, whereas transformer operates on AC supply? pls help..
1 2806What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?
1879Question 66 – The drag coefficient Cd = 0.05 and lift coefficient Cl = 0.4 for a levelled flow aircraft are measured. The velocity of the aircraft is v = 150 ft / s with its weight W = 2677.5 pound-force. (a) Find the value of the lift of the aircraft, L, when it is also its weight. (b) The drag of the aircraft, D = Cd M, L = Cl M. Find the value of D. (c) The power required is P = Dv. If 1 pound-force x (ft / s) = 1.356 W, find the value of P in the unit of Watt or W.
1 2599What are formula we can apply to determine the HT/LT current of 11KV/433V transformer except KVA/LV×√3. ?
2 37672
Which nuclear reactor uses water as a coolant, moderator and reflector ?
Can any one send me the sample test papers of IOCL entry exam to be held on 6th july 2008. Also plz send the interview questions that cud probably be asked........i wud be highly obliged if u can send a few test paers and other stuff @ inderjeetd@gmail.com.........Inderpreet
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?
Define what is the mechanism by which conduction takes place inside the semiconductor?
List two effects of manganese in plain carbon steels?
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
What is type failure of road surface? how to repair the failure of road surface?
Suppose you have been asked to design one electronic circuit then starting from basic what procedure do you follow?It should include all standard industrial measures. Please reply.Thanks.
ORACLE/SQL-RDBMS 1.Max (), Min () Functions, 2. Order by, Group by Functions, 3. Sql Pipe Functions 4. Truncate Functions Which Part of Sql? DDL, DML, or TCL 5. Find Out Primary keys in databases 6. Select Customers who have same city Based on constraints based on index based on view based on group by
why do we lay up the core of a cable?
Define What is rigging?
Can you describe the process of flight testing and how it validates the design and performance of an aircraft?
What will be the cause of scavenging fire?
Classify Lathes.
