What is cascade method ?

1 Answer

Answer :

The method of connecting the output of an amplifier stage of a multistage amplifier to the input of the next amplifier stage through a coupling device is called cascade method.

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Description : If buying cheap causes a cascade of negative effects, what to do if you're on a budget?

Last Answer : Interesting question. It makes me happy to see people being conscientious consumers. I have a lot of hope for our generation. One option might be to try to make as much stuff yourself as ... in the landfills, and no international repercussions. Good luck. I look forward to seeing more responses.

Description : When is the best time of year to hike in the Cascade or Olympic mountain ranges?

Last Answer : The Olympic mountain range is a rainforest, and therefore wet - and cold - for much of the year. The Cascades get snow in the winter and the whole pacific northwest is pretty chilly from Sept/Oct thru ... Cascades, and have had great times doing it. I'd definately take bugs over snow and rain :)

Description : What is the advantage of cascade refrigeration?

Last Answer : Advantage of cascade refrigeration system. This system has the following advantages compared to a two stage compression system. 1.Energy is saved because the system allows use of refrigerants that have ... for each of the higher temperature side. 2. It allows stable ultra low temperature operation.

Description : Phosphoinositide cascade is activated on binding of catecholamines to (A) α1-Adrenergic receptors (B) α2-Adrenergic receptors (C) β1-Adrenergic receptors (D) β2-Adrenergic receptors

Last Answer : Answer : A

Description : Enzymes are required in traces because they (A) Have high turnover number (B) Remain unused at the end of reaction and are re used (C) Show cascade effect (D) All correct

Last Answer : Answer : D

Description : Which of the following statement(s) is/are correct concerning the immunoinflammatory response to shock? a. The anaphylactoxins, C3a and C5a, are products of activation of only the classical pathway ... effects d. Platelet-activating factor can be released by both circulating and fixed tissue cells

Last Answer : Answer: d Inflammatory mediators have recently been recognized as playing a significant role in the clinical manifestations and progression of shock and the development ... increased pulmonary vascular resistance, bronchoconstriction, peripheral vasodilatation, and increased vascular permeability

Description : The neurohormonal arm of the stress response is well defined. Less is known about the inflammatory arm mediated primarily by cytokines. Which of the following statement(s) is/are true ... Cytokine release may stimulate the release of other cytokines leading to an important cascade of events

Last Answer : Answer: a, d Cytokines, which are produced at the site of injury by endothelial cells and by diverse immune cells throughout the body, also occupy a pivotal position in the stress response ... act as hormones and spill over into the systemic circulation and become detectable in the bloodstream

Description : Which of the following statements about the coagulation cascade is/are true? A. The intrinsic pathway of coagulation is the predominant pathway in vivo for hemostasis and coagulation. ... coagulation abnormalities. D. Deficiencies of factor XII cause severe clinical bleeding syndromes.

Last Answer : Answer: AC DISCUSSION: Although it was previously held that two somewhat distinct pathways existed for the activation of the coagulation cascade, it is now recognized that the predominant ... bleeding. This further emphasizes the secondary role that the intrinsic pathway plays in coagulation

Description : Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and ... conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

Last Answer : Answer: ABCD DISCUSSION: Hemostasis requires the interaction of platelets with the exposed subendothelial structures at the site of injury followed by aggregation of more platelets in that area. ... form a stable clot that incorporates the platelet plug and fibrin thrombus into a stable clot

Description : What is ON DELETE CASCADE ?

Last Answer : When ON DELETE CASCADE is specified ORACLE maintains referential integrity by automatically removing dependent foreign key values if a referenced primary or unique key value is removed.

Description : What are the different default triggers created when Master Deletes Property is set to Cascade?

Last Answer : Master Deletes Property Resulting Triggers --------------------------------------------------- Cascading On-Clear-Details On-Populate-Details Pre-delete

Description : If you have available number of power amplifiers with a gain of 100 each, how many such amplifiers do you need to cascade to give an overall gain of 60 dB? A. 3 B. 4 C. 5 D. 2

Last Answer : A. 3

Description : Pick out the wrong statement. (A) Cellulose acetate membranes are used in dialysis process (B) Elutriation process refers to when the soluble material is largely concentrated on the surface of an ... that various streamflow from one to another (D) Zirconia probe is used for the humidity measurement

Last Answer : (D) Zirconia probe is used for the humidity measurement

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. all above

Last Answer : all above

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. is increased by heparin

Last Answer : assess the extrinsic pathway of the blood coagulation cascade

Description : The following are true about the Fc regions of an immunoglobulins: a. they can be cleaved from the Fab regions by papain b. they are involved in mast cell binding c. they are involved in the activation of the complement cascade d. all above

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Description : The performance of a cascade of CSTR's can be improved by adding (A) A P.F. reactor in series (B) A P.F. reactor in parallel (C) More CSTR's in series (D) More CSTR's in parallel

Last Answer : (C) More CSTR's in series

Description : Cascade control is (A) The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller (B) Used when changes in process conditions cause serious upsets in the controlled variable (C) Useful to control flow from temperature (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Description : Which amplifier will be preferred for highest gain? A) Darlington's pair B) Cascade amplifier C) Cascode amplifier D) Depends on the circuitry

Last Answer : C) Cascode amplifier

Description : __ bit in ICW1 indicates whether the 8259A is cascade mode or not? a) LTIM=0 b) LTIM=1 c) SNGL=0 d) SNGL=1

Last Answer : c) SNGL=0

Description : What is the cascade of events that follows a stress or trauma to produce adrenal reaction? A) hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)-adrenal cortex mineralocorticoids and ... ) E) adrenal cortex (hormones)-hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)

Last Answer : A) hypothalamus (ACTH-releasing hormone)-anterior pituitary (ACTH)-adrenal cortex mineralocorticoids and glucocorticoids (regulate metabolism and sugar level)

Description : Which statement is NOT true about non-steroid (peptide) hormones? A) They are derived from peptides, proteins, polypeptides, and derivatives of amino acids. B) They bind to receptors on the cell surface. ... They create an enzyme cascade effect. E) They enter the cell in order to have an effect.

Last Answer : E) They enter the cell in order to have an effect.

Description : Which statement about hormone types is correct? A) Non-steroid hormones activate an enzyme cascade. B) Steroid hormones regulate the production of a particular protein. C) Non-steroid hormones are ... all have four carbon rings with different side chains. E) All of the choices are correct.

Last Answer : E) All of the choices are correct.

Description : If the input to T-flipflop is 100 Hz signal, the final output of the three T-flipflops in cascade is (A) 1000 Hz (B) 500 Hz (C) 333 Hz (D) 12.5 Hz.

Last Answer : (D) 12.5 Hz.

Description : How To Make Cascade Generator

Last Answer : This cascade engine was invented in the 1930's by a 17-year old amateur experimenter who was simply trying to make a new version of the old Fizeau's condenser. Instead, he discovered a ... a gravitic pressure wave in the surrounding space. Higher voltage and pulse rate generates greater thrust.

Description : Which of the following mountain ranges were formed as a result of volcanic action? w) Appalachians x) Teton Range y) Front Range z) Cascade Range

Last Answer : ANSWER: Z -- CASCADE RANGE

Description : State the need of cascade amplifier and draw circuit diagram of 2-stage direct coupled amplifier.

Last Answer : Need:- The voltage (or power) gain, obtained from a single stage small signal amplifier, is limited. Therefore, it is not sufficient for all practical applications. Therefore, in order to obtain greater voltage and power gain, cascade amplifiers are used.

Description : State the need of cascade amplifier.

Last Answer : Most systems a single transistor amplifier does not provide sufficient gain or bandwidth or will not have the correct input or output impedance matching. Hence cascade amplifier is use which consist more than one stages of amplification.

Description : Two two-port networks are connected in cascade. The combination is to be represented as a single two-port network. The parameters of the network are obtained by multiplying the individual a. z-parameter matrix b. h-parameter matrix c. y-parameter matrix d. ABCD-parameter matrix

Last Answer : A

Description : In an R-C phase shift oscillator, the minimum no. of R-C networks to be connected in cascade will be -

Last Answer : In an R-C phase shift oscillator, the minimum no. of R-C networks to be connected in cascade will be 3

Description : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual

Last Answer : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual ABCD parameter matrix